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v6.8
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
  33#include "cayman_blit_shaders.h"
  34#include "clearstate_cayman.h"
  35#include "evergreen.h"
  36#include "ni.h"
  37#include "ni_reg.h"
  38#include "nid.h"
  39#include "radeon.h"
  40#include "radeon_asic.h"
  41#include "radeon_audio.h"
  42#include "radeon_ucode.h"
  43
  44/*
  45 * Indirect registers accessor
  46 */
  47u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  48{
  49	unsigned long flags;
  50	u32 r;
  51
  52	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  53	WREG32(TN_SMC_IND_INDEX_0, (reg));
  54	r = RREG32(TN_SMC_IND_DATA_0);
  55	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  56	return r;
  57}
  58
  59void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  60{
  61	unsigned long flags;
  62
  63	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  64	WREG32(TN_SMC_IND_INDEX_0, (reg));
  65	WREG32(TN_SMC_IND_DATA_0, (v));
  66	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  67}
  68
  69static const u32 tn_rlc_save_restore_register_list[] =
  70{
  71	0x98fc,
  72	0x98f0,
  73	0x9834,
  74	0x9838,
  75	0x9870,
  76	0x9874,
  77	0x8a14,
  78	0x8b24,
  79	0x8bcc,
  80	0x8b10,
  81	0x8c30,
  82	0x8d00,
  83	0x8d04,
  84	0x8c00,
  85	0x8c04,
  86	0x8c10,
  87	0x8c14,
  88	0x8d8c,
  89	0x8cf0,
  90	0x8e38,
  91	0x9508,
  92	0x9688,
  93	0x9608,
  94	0x960c,
  95	0x9610,
  96	0x9614,
  97	0x88c4,
  98	0x8978,
  99	0x88d4,
 100	0x900c,
 101	0x9100,
 102	0x913c,
 103	0x90e8,
 104	0x9354,
 105	0xa008,
 106	0x98f8,
 107	0x9148,
 108	0x914c,
 109	0x3f94,
 110	0x98f4,
 111	0x9b7c,
 112	0x3f8c,
 113	0x8950,
 114	0x8954,
 115	0x8a18,
 116	0x8b28,
 117	0x9144,
 118	0x3f90,
 119	0x915c,
 120	0x9160,
 121	0x9178,
 122	0x917c,
 123	0x9180,
 124	0x918c,
 125	0x9190,
 126	0x9194,
 127	0x9198,
 128	0x919c,
 129	0x91a8,
 130	0x91ac,
 131	0x91b0,
 132	0x91b4,
 133	0x91b8,
 134	0x91c4,
 135	0x91c8,
 136	0x91cc,
 137	0x91d0,
 138	0x91d4,
 139	0x91e0,
 140	0x91e4,
 141	0x91ec,
 142	0x91f0,
 143	0x91f4,
 144	0x9200,
 145	0x9204,
 146	0x929c,
 147	0x8030,
 148	0x9150,
 149	0x9a60,
 150	0x920c,
 151	0x9210,
 152	0x9228,
 153	0x922c,
 154	0x9244,
 155	0x9248,
 156	0x91e8,
 157	0x9294,
 158	0x9208,
 159	0x9224,
 160	0x9240,
 161	0x9220,
 162	0x923c,
 163	0x9258,
 164	0x9744,
 165	0xa200,
 166	0xa204,
 167	0xa208,
 168	0xa20c,
 169	0x8d58,
 170	0x9030,
 171	0x9034,
 172	0x9038,
 173	0x903c,
 174	0x9040,
 175	0x9654,
 176	0x897c,
 177	0xa210,
 178	0xa214,
 179	0x9868,
 180	0xa02c,
 181	0x9664,
 182	0x9698,
 183	0x949c,
 184	0x8e10,
 185	0x8e18,
 186	0x8c50,
 187	0x8c58,
 188	0x8c60,
 189	0x8c68,
 190	0x89b4,
 191	0x9830,
 192	0x802c,
 193};
 194
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 195/* Firmware Names */
 196MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 197MODULE_FIRMWARE("radeon/BARTS_me.bin");
 198MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 199MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 200MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 201MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 202MODULE_FIRMWARE("radeon/TURKS_me.bin");
 203MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 204MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 205MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 206MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 207MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 208MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 209MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 210MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 211MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 212MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 213MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 214MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 215MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 216MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 217
 218
 219static const u32 cayman_golden_registers2[] =
 220{
 221	0x3e5c, 0xffffffff, 0x00000000,
 222	0x3e48, 0xffffffff, 0x00000000,
 223	0x3e4c, 0xffffffff, 0x00000000,
 224	0x3e64, 0xffffffff, 0x00000000,
 225	0x3e50, 0xffffffff, 0x00000000,
 226	0x3e60, 0xffffffff, 0x00000000
 227};
 228
 229static const u32 cayman_golden_registers[] =
 230{
 231	0x5eb4, 0xffffffff, 0x00000002,
 232	0x5e78, 0x8f311ff1, 0x001000f0,
 233	0x3f90, 0xffff0000, 0xff000000,
 234	0x9148, 0xffff0000, 0xff000000,
 235	0x3f94, 0xffff0000, 0xff000000,
 236	0x914c, 0xffff0000, 0xff000000,
 237	0xc78, 0x00000080, 0x00000080,
 238	0xbd4, 0x70073777, 0x00011003,
 239	0xd02c, 0xbfffff1f, 0x08421000,
 240	0xd0b8, 0x73773777, 0x02011003,
 241	0x5bc0, 0x00200000, 0x50100000,
 242	0x98f8, 0x33773777, 0x02011003,
 243	0x98fc, 0xffffffff, 0x76541032,
 244	0x7030, 0x31000311, 0x00000011,
 245	0x2f48, 0x33773777, 0x42010001,
 246	0x6b28, 0x00000010, 0x00000012,
 247	0x7728, 0x00000010, 0x00000012,
 248	0x10328, 0x00000010, 0x00000012,
 249	0x10f28, 0x00000010, 0x00000012,
 250	0x11b28, 0x00000010, 0x00000012,
 251	0x12728, 0x00000010, 0x00000012,
 252	0x240c, 0x000007ff, 0x00000000,
 253	0x8a14, 0xf000001f, 0x00000007,
 254	0x8b24, 0x3fff3fff, 0x00ff0fff,
 255	0x8b10, 0x0000ff0f, 0x00000000,
 256	0x28a4c, 0x07ffffff, 0x06000000,
 257	0x10c, 0x00000001, 0x00010003,
 258	0xa02c, 0xffffffff, 0x0000009b,
 259	0x913c, 0x0000010f, 0x01000100,
 260	0x8c04, 0xf8ff00ff, 0x40600060,
 261	0x28350, 0x00000f01, 0x00000000,
 262	0x9508, 0x3700001f, 0x00000002,
 263	0x960c, 0xffffffff, 0x54763210,
 264	0x88c4, 0x001f3ae3, 0x00000082,
 265	0x88d0, 0xffffffff, 0x0f40df40,
 266	0x88d4, 0x0000001f, 0x00000010,
 267	0x8974, 0xffffffff, 0x00000000
 268};
 269
 270static const u32 dvst_golden_registers2[] =
 271{
 272	0x8f8, 0xffffffff, 0,
 273	0x8fc, 0x00380000, 0,
 274	0x8f8, 0xffffffff, 1,
 275	0x8fc, 0x0e000000, 0
 276};
 277
 278static const u32 dvst_golden_registers[] =
 279{
 280	0x690, 0x3fff3fff, 0x20c00033,
 281	0x918c, 0x0fff0fff, 0x00010006,
 282	0x91a8, 0x0fff0fff, 0x00010006,
 283	0x9150, 0xffffdfff, 0x6e944040,
 284	0x917c, 0x0fff0fff, 0x00030002,
 285	0x9198, 0x0fff0fff, 0x00030002,
 286	0x915c, 0x0fff0fff, 0x00010000,
 287	0x3f90, 0xffff0001, 0xff000000,
 288	0x9178, 0x0fff0fff, 0x00070000,
 289	0x9194, 0x0fff0fff, 0x00070000,
 290	0x9148, 0xffff0001, 0xff000000,
 291	0x9190, 0x0fff0fff, 0x00090008,
 292	0x91ac, 0x0fff0fff, 0x00090008,
 293	0x3f94, 0xffff0000, 0xff000000,
 294	0x914c, 0xffff0000, 0xff000000,
 295	0x929c, 0x00000fff, 0x00000001,
 296	0x55e4, 0xff607fff, 0xfc000100,
 297	0x8a18, 0xff000fff, 0x00000100,
 298	0x8b28, 0xff000fff, 0x00000100,
 299	0x9144, 0xfffc0fff, 0x00000100,
 300	0x6ed8, 0x00010101, 0x00010000,
 301	0x9830, 0xffffffff, 0x00000000,
 302	0x9834, 0xf00fffff, 0x00000400,
 303	0x9838, 0xfffffffe, 0x00000000,
 304	0xd0c0, 0xff000fff, 0x00000100,
 305	0xd02c, 0xbfffff1f, 0x08421000,
 306	0xd0b8, 0x73773777, 0x12010001,
 307	0x5bb0, 0x000000f0, 0x00000070,
 308	0x98f8, 0x73773777, 0x12010001,
 309	0x98fc, 0xffffffff, 0x00000010,
 310	0x9b7c, 0x00ff0000, 0x00fc0000,
 311	0x8030, 0x00001f0f, 0x0000100a,
 312	0x2f48, 0x73773777, 0x12010001,
 313	0x2408, 0x00030000, 0x000c007f,
 314	0x8a14, 0xf000003f, 0x00000007,
 315	0x8b24, 0x3fff3fff, 0x00ff0fff,
 316	0x8b10, 0x0000ff0f, 0x00000000,
 317	0x28a4c, 0x07ffffff, 0x06000000,
 318	0x4d8, 0x00000fff, 0x00000100,
 319	0xa008, 0xffffffff, 0x00010000,
 320	0x913c, 0xffff03ff, 0x01000100,
 321	0x8c00, 0x000000ff, 0x00000003,
 322	0x8c04, 0xf8ff00ff, 0x40600060,
 323	0x8cf0, 0x1fff1fff, 0x08e00410,
 324	0x28350, 0x00000f01, 0x00000000,
 325	0x9508, 0xf700071f, 0x00000002,
 326	0x960c, 0xffffffff, 0x54763210,
 327	0x20ef8, 0x01ff01ff, 0x00000002,
 328	0x20e98, 0xfffffbff, 0x00200000,
 329	0x2015c, 0xffffffff, 0x00000f40,
 330	0x88c4, 0x001f3ae3, 0x00000082,
 331	0x8978, 0x3fffffff, 0x04050140,
 332	0x88d4, 0x0000001f, 0x00000010,
 333	0x8974, 0xffffffff, 0x00000000
 334};
 335
 336static const u32 scrapper_golden_registers[] =
 337{
 338	0x690, 0x3fff3fff, 0x20c00033,
 339	0x918c, 0x0fff0fff, 0x00010006,
 340	0x918c, 0x0fff0fff, 0x00010006,
 341	0x91a8, 0x0fff0fff, 0x00010006,
 342	0x91a8, 0x0fff0fff, 0x00010006,
 343	0x9150, 0xffffdfff, 0x6e944040,
 344	0x9150, 0xffffdfff, 0x6e944040,
 345	0x917c, 0x0fff0fff, 0x00030002,
 346	0x917c, 0x0fff0fff, 0x00030002,
 347	0x9198, 0x0fff0fff, 0x00030002,
 348	0x9198, 0x0fff0fff, 0x00030002,
 349	0x915c, 0x0fff0fff, 0x00010000,
 350	0x915c, 0x0fff0fff, 0x00010000,
 351	0x3f90, 0xffff0001, 0xff000000,
 352	0x3f90, 0xffff0001, 0xff000000,
 353	0x9178, 0x0fff0fff, 0x00070000,
 354	0x9178, 0x0fff0fff, 0x00070000,
 355	0x9194, 0x0fff0fff, 0x00070000,
 356	0x9194, 0x0fff0fff, 0x00070000,
 357	0x9148, 0xffff0001, 0xff000000,
 358	0x9148, 0xffff0001, 0xff000000,
 359	0x9190, 0x0fff0fff, 0x00090008,
 360	0x9190, 0x0fff0fff, 0x00090008,
 361	0x91ac, 0x0fff0fff, 0x00090008,
 362	0x91ac, 0x0fff0fff, 0x00090008,
 363	0x3f94, 0xffff0000, 0xff000000,
 364	0x3f94, 0xffff0000, 0xff000000,
 365	0x914c, 0xffff0000, 0xff000000,
 366	0x914c, 0xffff0000, 0xff000000,
 367	0x929c, 0x00000fff, 0x00000001,
 368	0x929c, 0x00000fff, 0x00000001,
 369	0x55e4, 0xff607fff, 0xfc000100,
 370	0x8a18, 0xff000fff, 0x00000100,
 371	0x8a18, 0xff000fff, 0x00000100,
 372	0x8b28, 0xff000fff, 0x00000100,
 373	0x8b28, 0xff000fff, 0x00000100,
 374	0x9144, 0xfffc0fff, 0x00000100,
 375	0x9144, 0xfffc0fff, 0x00000100,
 376	0x6ed8, 0x00010101, 0x00010000,
 377	0x9830, 0xffffffff, 0x00000000,
 378	0x9830, 0xffffffff, 0x00000000,
 379	0x9834, 0xf00fffff, 0x00000400,
 380	0x9834, 0xf00fffff, 0x00000400,
 381	0x9838, 0xfffffffe, 0x00000000,
 382	0x9838, 0xfffffffe, 0x00000000,
 383	0xd0c0, 0xff000fff, 0x00000100,
 384	0xd02c, 0xbfffff1f, 0x08421000,
 385	0xd02c, 0xbfffff1f, 0x08421000,
 386	0xd0b8, 0x73773777, 0x12010001,
 387	0xd0b8, 0x73773777, 0x12010001,
 388	0x5bb0, 0x000000f0, 0x00000070,
 389	0x98f8, 0x73773777, 0x12010001,
 390	0x98f8, 0x73773777, 0x12010001,
 391	0x98fc, 0xffffffff, 0x00000010,
 392	0x98fc, 0xffffffff, 0x00000010,
 393	0x9b7c, 0x00ff0000, 0x00fc0000,
 394	0x9b7c, 0x00ff0000, 0x00fc0000,
 395	0x8030, 0x00001f0f, 0x0000100a,
 396	0x8030, 0x00001f0f, 0x0000100a,
 397	0x2f48, 0x73773777, 0x12010001,
 398	0x2f48, 0x73773777, 0x12010001,
 399	0x2408, 0x00030000, 0x000c007f,
 400	0x8a14, 0xf000003f, 0x00000007,
 401	0x8a14, 0xf000003f, 0x00000007,
 402	0x8b24, 0x3fff3fff, 0x00ff0fff,
 403	0x8b24, 0x3fff3fff, 0x00ff0fff,
 404	0x8b10, 0x0000ff0f, 0x00000000,
 405	0x8b10, 0x0000ff0f, 0x00000000,
 406	0x28a4c, 0x07ffffff, 0x06000000,
 407	0x28a4c, 0x07ffffff, 0x06000000,
 408	0x4d8, 0x00000fff, 0x00000100,
 409	0x4d8, 0x00000fff, 0x00000100,
 410	0xa008, 0xffffffff, 0x00010000,
 411	0xa008, 0xffffffff, 0x00010000,
 412	0x913c, 0xffff03ff, 0x01000100,
 413	0x913c, 0xffff03ff, 0x01000100,
 414	0x90e8, 0x001fffff, 0x010400c0,
 415	0x8c00, 0x000000ff, 0x00000003,
 416	0x8c00, 0x000000ff, 0x00000003,
 417	0x8c04, 0xf8ff00ff, 0x40600060,
 418	0x8c04, 0xf8ff00ff, 0x40600060,
 419	0x8c30, 0x0000000f, 0x00040005,
 420	0x8cf0, 0x1fff1fff, 0x08e00410,
 421	0x8cf0, 0x1fff1fff, 0x08e00410,
 422	0x900c, 0x00ffffff, 0x0017071f,
 423	0x28350, 0x00000f01, 0x00000000,
 424	0x28350, 0x00000f01, 0x00000000,
 425	0x9508, 0xf700071f, 0x00000002,
 426	0x9508, 0xf700071f, 0x00000002,
 427	0x9688, 0x00300000, 0x0017000f,
 428	0x960c, 0xffffffff, 0x54763210,
 429	0x960c, 0xffffffff, 0x54763210,
 430	0x20ef8, 0x01ff01ff, 0x00000002,
 431	0x20e98, 0xfffffbff, 0x00200000,
 432	0x2015c, 0xffffffff, 0x00000f40,
 433	0x88c4, 0x001f3ae3, 0x00000082,
 434	0x88c4, 0x001f3ae3, 0x00000082,
 435	0x8978, 0x3fffffff, 0x04050140,
 436	0x8978, 0x3fffffff, 0x04050140,
 437	0x88d4, 0x0000001f, 0x00000010,
 438	0x88d4, 0x0000001f, 0x00000010,
 439	0x8974, 0xffffffff, 0x00000000,
 440	0x8974, 0xffffffff, 0x00000000
 441};
 442
 443static void ni_init_golden_registers(struct radeon_device *rdev)
 444{
 445	switch (rdev->family) {
 446	case CHIP_CAYMAN:
 447		radeon_program_register_sequence(rdev,
 448						 cayman_golden_registers,
 449						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 450		radeon_program_register_sequence(rdev,
 451						 cayman_golden_registers2,
 452						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 453		break;
 454	case CHIP_ARUBA:
 455		if ((rdev->pdev->device == 0x9900) ||
 456		    (rdev->pdev->device == 0x9901) ||
 457		    (rdev->pdev->device == 0x9903) ||
 458		    (rdev->pdev->device == 0x9904) ||
 459		    (rdev->pdev->device == 0x9905) ||
 460		    (rdev->pdev->device == 0x9906) ||
 461		    (rdev->pdev->device == 0x9907) ||
 462		    (rdev->pdev->device == 0x9908) ||
 463		    (rdev->pdev->device == 0x9909) ||
 464		    (rdev->pdev->device == 0x990A) ||
 465		    (rdev->pdev->device == 0x990B) ||
 466		    (rdev->pdev->device == 0x990C) ||
 467		    (rdev->pdev->device == 0x990D) ||
 468		    (rdev->pdev->device == 0x990E) ||
 469		    (rdev->pdev->device == 0x990F) ||
 470		    (rdev->pdev->device == 0x9910) ||
 471		    (rdev->pdev->device == 0x9913) ||
 472		    (rdev->pdev->device == 0x9917) ||
 473		    (rdev->pdev->device == 0x9918)) {
 474			radeon_program_register_sequence(rdev,
 475							 dvst_golden_registers,
 476							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 477			radeon_program_register_sequence(rdev,
 478							 dvst_golden_registers2,
 479							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 480		} else {
 481			radeon_program_register_sequence(rdev,
 482							 scrapper_golden_registers,
 483							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 484			radeon_program_register_sequence(rdev,
 485							 dvst_golden_registers2,
 486							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 487		}
 488		break;
 489	default:
 490		break;
 491	}
 492}
 493
 494#define BTC_IO_MC_REGS_SIZE 29
 495
 496static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 497	{0x00000077, 0xff010100},
 498	{0x00000078, 0x00000000},
 499	{0x00000079, 0x00001434},
 500	{0x0000007a, 0xcc08ec08},
 501	{0x0000007b, 0x00040000},
 502	{0x0000007c, 0x000080c0},
 503	{0x0000007d, 0x09000000},
 504	{0x0000007e, 0x00210404},
 505	{0x00000081, 0x08a8e800},
 506	{0x00000082, 0x00030444},
 507	{0x00000083, 0x00000000},
 508	{0x00000085, 0x00000001},
 509	{0x00000086, 0x00000002},
 510	{0x00000087, 0x48490000},
 511	{0x00000088, 0x20244647},
 512	{0x00000089, 0x00000005},
 513	{0x0000008b, 0x66030000},
 514	{0x0000008c, 0x00006603},
 515	{0x0000008d, 0x00000100},
 516	{0x0000008f, 0x00001c0a},
 517	{0x00000090, 0xff000001},
 518	{0x00000094, 0x00101101},
 519	{0x00000095, 0x00000fff},
 520	{0x00000096, 0x00116fff},
 521	{0x00000097, 0x60010000},
 522	{0x00000098, 0x10010000},
 523	{0x00000099, 0x00006000},
 524	{0x0000009a, 0x00001000},
 525	{0x0000009f, 0x00946a00}
 526};
 527
 528static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 529	{0x00000077, 0xff010100},
 530	{0x00000078, 0x00000000},
 531	{0x00000079, 0x00001434},
 532	{0x0000007a, 0xcc08ec08},
 533	{0x0000007b, 0x00040000},
 534	{0x0000007c, 0x000080c0},
 535	{0x0000007d, 0x09000000},
 536	{0x0000007e, 0x00210404},
 537	{0x00000081, 0x08a8e800},
 538	{0x00000082, 0x00030444},
 539	{0x00000083, 0x00000000},
 540	{0x00000085, 0x00000001},
 541	{0x00000086, 0x00000002},
 542	{0x00000087, 0x48490000},
 543	{0x00000088, 0x20244647},
 544	{0x00000089, 0x00000005},
 545	{0x0000008b, 0x66030000},
 546	{0x0000008c, 0x00006603},
 547	{0x0000008d, 0x00000100},
 548	{0x0000008f, 0x00001c0a},
 549	{0x00000090, 0xff000001},
 550	{0x00000094, 0x00101101},
 551	{0x00000095, 0x00000fff},
 552	{0x00000096, 0x00116fff},
 553	{0x00000097, 0x60010000},
 554	{0x00000098, 0x10010000},
 555	{0x00000099, 0x00006000},
 556	{0x0000009a, 0x00001000},
 557	{0x0000009f, 0x00936a00}
 558};
 559
 560static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 561	{0x00000077, 0xff010100},
 562	{0x00000078, 0x00000000},
 563	{0x00000079, 0x00001434},
 564	{0x0000007a, 0xcc08ec08},
 565	{0x0000007b, 0x00040000},
 566	{0x0000007c, 0x000080c0},
 567	{0x0000007d, 0x09000000},
 568	{0x0000007e, 0x00210404},
 569	{0x00000081, 0x08a8e800},
 570	{0x00000082, 0x00030444},
 571	{0x00000083, 0x00000000},
 572	{0x00000085, 0x00000001},
 573	{0x00000086, 0x00000002},
 574	{0x00000087, 0x48490000},
 575	{0x00000088, 0x20244647},
 576	{0x00000089, 0x00000005},
 577	{0x0000008b, 0x66030000},
 578	{0x0000008c, 0x00006603},
 579	{0x0000008d, 0x00000100},
 580	{0x0000008f, 0x00001c0a},
 581	{0x00000090, 0xff000001},
 582	{0x00000094, 0x00101101},
 583	{0x00000095, 0x00000fff},
 584	{0x00000096, 0x00116fff},
 585	{0x00000097, 0x60010000},
 586	{0x00000098, 0x10010000},
 587	{0x00000099, 0x00006000},
 588	{0x0000009a, 0x00001000},
 589	{0x0000009f, 0x00916a00}
 590};
 591
 592static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 593	{0x00000077, 0xff010100},
 594	{0x00000078, 0x00000000},
 595	{0x00000079, 0x00001434},
 596	{0x0000007a, 0xcc08ec08},
 597	{0x0000007b, 0x00040000},
 598	{0x0000007c, 0x000080c0},
 599	{0x0000007d, 0x09000000},
 600	{0x0000007e, 0x00210404},
 601	{0x00000081, 0x08a8e800},
 602	{0x00000082, 0x00030444},
 603	{0x00000083, 0x00000000},
 604	{0x00000085, 0x00000001},
 605	{0x00000086, 0x00000002},
 606	{0x00000087, 0x48490000},
 607	{0x00000088, 0x20244647},
 608	{0x00000089, 0x00000005},
 609	{0x0000008b, 0x66030000},
 610	{0x0000008c, 0x00006603},
 611	{0x0000008d, 0x00000100},
 612	{0x0000008f, 0x00001c0a},
 613	{0x00000090, 0xff000001},
 614	{0x00000094, 0x00101101},
 615	{0x00000095, 0x00000fff},
 616	{0x00000096, 0x00116fff},
 617	{0x00000097, 0x60010000},
 618	{0x00000098, 0x10010000},
 619	{0x00000099, 0x00006000},
 620	{0x0000009a, 0x00001000},
 621	{0x0000009f, 0x00976b00}
 622};
 623
 624int ni_mc_load_microcode(struct radeon_device *rdev)
 625{
 626	const __be32 *fw_data;
 627	u32 mem_type, running, blackout = 0;
 628	u32 *io_mc_regs;
 629	int i, ucode_size, regs_size;
 630
 631	if (!rdev->mc_fw)
 632		return -EINVAL;
 633
 634	switch (rdev->family) {
 635	case CHIP_BARTS:
 636		io_mc_regs = (u32 *)&barts_io_mc_regs;
 637		ucode_size = BTC_MC_UCODE_SIZE;
 638		regs_size = BTC_IO_MC_REGS_SIZE;
 639		break;
 640	case CHIP_TURKS:
 641		io_mc_regs = (u32 *)&turks_io_mc_regs;
 642		ucode_size = BTC_MC_UCODE_SIZE;
 643		regs_size = BTC_IO_MC_REGS_SIZE;
 644		break;
 645	case CHIP_CAICOS:
 646	default:
 647		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 648		ucode_size = BTC_MC_UCODE_SIZE;
 649		regs_size = BTC_IO_MC_REGS_SIZE;
 650		break;
 651	case CHIP_CAYMAN:
 652		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 653		ucode_size = CAYMAN_MC_UCODE_SIZE;
 654		regs_size = BTC_IO_MC_REGS_SIZE;
 655		break;
 656	}
 657
 658	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 659	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 660
 661	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 662		if (running) {
 663			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 664			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 665		}
 666
 667		/* reset the engine and set to writable */
 668		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 669		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 670
 671		/* load mc io regs */
 672		for (i = 0; i < regs_size; i++) {
 673			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 674			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 675		}
 676		/* load the MC ucode */
 677		fw_data = (const __be32 *)rdev->mc_fw->data;
 678		for (i = 0; i < ucode_size; i++)
 679			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 680
 681		/* put the engine back into the active state */
 682		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 683		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 684		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 685
 686		/* wait for training to complete */
 687		for (i = 0; i < rdev->usec_timeout; i++) {
 688			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 689				break;
 690			udelay(1);
 691		}
 692
 693		if (running)
 694			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 695	}
 696
 697	return 0;
 698}
 699
 700int ni_init_microcode(struct radeon_device *rdev)
 701{
 702	const char *chip_name;
 703	const char *rlc_chip_name;
 704	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 705	size_t smc_req_size = 0;
 706	char fw_name[30];
 707	int err;
 708
 709	DRM_DEBUG("\n");
 710
 711	switch (rdev->family) {
 712	case CHIP_BARTS:
 713		chip_name = "BARTS";
 714		rlc_chip_name = "BTC";
 715		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 716		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 717		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 718		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 719		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 720		break;
 721	case CHIP_TURKS:
 722		chip_name = "TURKS";
 723		rlc_chip_name = "BTC";
 724		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 725		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 726		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 727		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 728		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 729		break;
 730	case CHIP_CAICOS:
 731		chip_name = "CAICOS";
 732		rlc_chip_name = "BTC";
 733		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 734		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 735		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 736		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 737		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 738		break;
 739	case CHIP_CAYMAN:
 740		chip_name = "CAYMAN";
 741		rlc_chip_name = "CAYMAN";
 742		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 743		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 744		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 745		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 746		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 747		break;
 748	case CHIP_ARUBA:
 749		chip_name = "ARUBA";
 750		rlc_chip_name = "ARUBA";
 751		/* pfp/me same size as CAYMAN */
 752		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 753		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 754		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 755		mc_req_size = 0;
 756		break;
 757	default: BUG();
 758	}
 759
 760	DRM_INFO("Loading %s Microcode\n", chip_name);
 761
 762	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 763	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 764	if (err)
 765		goto out;
 766	if (rdev->pfp_fw->size != pfp_req_size) {
 767		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 768		       rdev->pfp_fw->size, fw_name);
 769		err = -EINVAL;
 770		goto out;
 771	}
 772
 773	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 774	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 775	if (err)
 776		goto out;
 777	if (rdev->me_fw->size != me_req_size) {
 778		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 779		       rdev->me_fw->size, fw_name);
 780		err = -EINVAL;
 781	}
 782
 783	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 784	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 785	if (err)
 786		goto out;
 787	if (rdev->rlc_fw->size != rlc_req_size) {
 788		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 789		       rdev->rlc_fw->size, fw_name);
 790		err = -EINVAL;
 791	}
 792
 793	/* no MC ucode on TN */
 794	if (!(rdev->flags & RADEON_IS_IGP)) {
 795		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 796		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 797		if (err)
 798			goto out;
 799		if (rdev->mc_fw->size != mc_req_size) {
 800			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 801			       rdev->mc_fw->size, fw_name);
 802			err = -EINVAL;
 803		}
 804	}
 805
 806	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 807		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 808		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 809		if (err) {
 810			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 811			release_firmware(rdev->smc_fw);
 812			rdev->smc_fw = NULL;
 813			err = 0;
 814		} else if (rdev->smc_fw->size != smc_req_size) {
 815			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 816			       rdev->mc_fw->size, fw_name);
 817			err = -EINVAL;
 818		}
 819	}
 820
 821out:
 822	if (err) {
 823		if (err != -EINVAL)
 824			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 825			       fw_name);
 826		release_firmware(rdev->pfp_fw);
 827		rdev->pfp_fw = NULL;
 828		release_firmware(rdev->me_fw);
 829		rdev->me_fw = NULL;
 830		release_firmware(rdev->rlc_fw);
 831		rdev->rlc_fw = NULL;
 832		release_firmware(rdev->mc_fw);
 833		rdev->mc_fw = NULL;
 834	}
 835	return err;
 836}
 837
 838/**
 839 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 840 *
 841 * @rdev: radeon_device pointer
 842 * @reg: register offset in bytes
 843 * @val: register value
 844 *
 845 * Returns 0 for success or -EINVAL for an invalid register
 846 *
 847 */
 848int cayman_get_allowed_info_register(struct radeon_device *rdev,
 849				     u32 reg, u32 *val)
 850{
 851	switch (reg) {
 852	case GRBM_STATUS:
 853	case GRBM_STATUS_SE0:
 854	case GRBM_STATUS_SE1:
 855	case SRBM_STATUS:
 856	case SRBM_STATUS2:
 857	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 858	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 859	case UVD_STATUS:
 860		*val = RREG32(reg);
 861		return 0;
 862	default:
 863		return -EINVAL;
 864	}
 865}
 866
 867int tn_get_temp(struct radeon_device *rdev)
 868{
 869	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 870	int actual_temp = (temp / 8) - 49;
 871
 872	return actual_temp * 1000;
 873}
 874
 875/*
 876 * Core functions
 877 */
 878static void cayman_gpu_init(struct radeon_device *rdev)
 879{
 880	u32 gb_addr_config = 0;
 881	u32 mc_arb_ramcfg;
 882	u32 cgts_tcc_disable;
 883	u32 sx_debug_1;
 884	u32 smx_dc_ctl0;
 885	u32 cgts_sm_ctrl_reg;
 886	u32 hdp_host_path_cntl;
 887	u32 tmp;
 888	u32 disabled_rb_mask;
 889	int i, j;
 890
 891	switch (rdev->family) {
 892	case CHIP_CAYMAN:
 893		rdev->config.cayman.max_shader_engines = 2;
 894		rdev->config.cayman.max_pipes_per_simd = 4;
 895		rdev->config.cayman.max_tile_pipes = 8;
 896		rdev->config.cayman.max_simds_per_se = 12;
 897		rdev->config.cayman.max_backends_per_se = 4;
 898		rdev->config.cayman.max_texture_channel_caches = 8;
 899		rdev->config.cayman.max_gprs = 256;
 900		rdev->config.cayman.max_threads = 256;
 901		rdev->config.cayman.max_gs_threads = 32;
 902		rdev->config.cayman.max_stack_entries = 512;
 903		rdev->config.cayman.sx_num_of_sets = 8;
 904		rdev->config.cayman.sx_max_export_size = 256;
 905		rdev->config.cayman.sx_max_export_pos_size = 64;
 906		rdev->config.cayman.sx_max_export_smx_size = 192;
 907		rdev->config.cayman.max_hw_contexts = 8;
 908		rdev->config.cayman.sq_num_cf_insts = 2;
 909
 910		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 911		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 912		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 913		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 914		break;
 915	case CHIP_ARUBA:
 916	default:
 917		rdev->config.cayman.max_shader_engines = 1;
 918		rdev->config.cayman.max_pipes_per_simd = 4;
 919		rdev->config.cayman.max_tile_pipes = 2;
 920		if ((rdev->pdev->device == 0x9900) ||
 921		    (rdev->pdev->device == 0x9901) ||
 922		    (rdev->pdev->device == 0x9905) ||
 923		    (rdev->pdev->device == 0x9906) ||
 924		    (rdev->pdev->device == 0x9907) ||
 925		    (rdev->pdev->device == 0x9908) ||
 926		    (rdev->pdev->device == 0x9909) ||
 927		    (rdev->pdev->device == 0x990B) ||
 928		    (rdev->pdev->device == 0x990C) ||
 929		    (rdev->pdev->device == 0x990F) ||
 930		    (rdev->pdev->device == 0x9910) ||
 931		    (rdev->pdev->device == 0x9917) ||
 932		    (rdev->pdev->device == 0x9999) ||
 933		    (rdev->pdev->device == 0x999C)) {
 934			rdev->config.cayman.max_simds_per_se = 6;
 935			rdev->config.cayman.max_backends_per_se = 2;
 936			rdev->config.cayman.max_hw_contexts = 8;
 937			rdev->config.cayman.sx_max_export_size = 256;
 938			rdev->config.cayman.sx_max_export_pos_size = 64;
 939			rdev->config.cayman.sx_max_export_smx_size = 192;
 940		} else if ((rdev->pdev->device == 0x9903) ||
 941			   (rdev->pdev->device == 0x9904) ||
 942			   (rdev->pdev->device == 0x990A) ||
 943			   (rdev->pdev->device == 0x990D) ||
 944			   (rdev->pdev->device == 0x990E) ||
 945			   (rdev->pdev->device == 0x9913) ||
 946			   (rdev->pdev->device == 0x9918) ||
 947			   (rdev->pdev->device == 0x999D)) {
 948			rdev->config.cayman.max_simds_per_se = 4;
 949			rdev->config.cayman.max_backends_per_se = 2;
 950			rdev->config.cayman.max_hw_contexts = 8;
 951			rdev->config.cayman.sx_max_export_size = 256;
 952			rdev->config.cayman.sx_max_export_pos_size = 64;
 953			rdev->config.cayman.sx_max_export_smx_size = 192;
 954		} else if ((rdev->pdev->device == 0x9919) ||
 955			   (rdev->pdev->device == 0x9990) ||
 956			   (rdev->pdev->device == 0x9991) ||
 957			   (rdev->pdev->device == 0x9994) ||
 958			   (rdev->pdev->device == 0x9995) ||
 959			   (rdev->pdev->device == 0x9996) ||
 960			   (rdev->pdev->device == 0x999A) ||
 961			   (rdev->pdev->device == 0x99A0)) {
 962			rdev->config.cayman.max_simds_per_se = 3;
 963			rdev->config.cayman.max_backends_per_se = 1;
 964			rdev->config.cayman.max_hw_contexts = 4;
 965			rdev->config.cayman.sx_max_export_size = 128;
 966			rdev->config.cayman.sx_max_export_pos_size = 32;
 967			rdev->config.cayman.sx_max_export_smx_size = 96;
 968		} else {
 969			rdev->config.cayman.max_simds_per_se = 2;
 970			rdev->config.cayman.max_backends_per_se = 1;
 971			rdev->config.cayman.max_hw_contexts = 4;
 972			rdev->config.cayman.sx_max_export_size = 128;
 973			rdev->config.cayman.sx_max_export_pos_size = 32;
 974			rdev->config.cayman.sx_max_export_smx_size = 96;
 975		}
 976		rdev->config.cayman.max_texture_channel_caches = 2;
 977		rdev->config.cayman.max_gprs = 256;
 978		rdev->config.cayman.max_threads = 256;
 979		rdev->config.cayman.max_gs_threads = 32;
 980		rdev->config.cayman.max_stack_entries = 512;
 981		rdev->config.cayman.sx_num_of_sets = 8;
 982		rdev->config.cayman.sq_num_cf_insts = 2;
 983
 984		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 985		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 986		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 987		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
 988		break;
 989	}
 990
 991	/* Initialize HDP */
 992	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
 993		WREG32((0x2c14 + j), 0x00000000);
 994		WREG32((0x2c18 + j), 0x00000000);
 995		WREG32((0x2c1c + j), 0x00000000);
 996		WREG32((0x2c20 + j), 0x00000000);
 997		WREG32((0x2c24 + j), 0x00000000);
 998	}
 999
1000	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1001	WREG32(SRBM_INT_CNTL, 0x1);
1002	WREG32(SRBM_INT_ACK, 0x1);
1003
1004	evergreen_fix_pci_max_read_req_size(rdev);
1005
1006	RREG32(MC_SHARED_CHMAP);
1007	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1008
1009	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1010	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1011	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1012		rdev->config.cayman.mem_row_size_in_kb = 4;
1013	/* XXX use MC settings? */
1014	rdev->config.cayman.shader_engine_tile_size = 32;
1015	rdev->config.cayman.num_gpus = 1;
1016	rdev->config.cayman.multi_gpu_tile_size = 64;
1017
1018	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1019	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1020	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1021	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1022	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1023	rdev->config.cayman.num_shader_engines = tmp + 1;
1024	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1025	rdev->config.cayman.num_gpus = tmp + 1;
1026	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1027	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1028	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1029	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1030
1031
1032	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1033	 * not have bank info, so create a custom tiling dword.
1034	 * bits 3:0   num_pipes
1035	 * bits 7:4   num_banks
1036	 * bits 11:8  group_size
1037	 * bits 15:12 row_size
1038	 */
1039	rdev->config.cayman.tile_config = 0;
1040	switch (rdev->config.cayman.num_tile_pipes) {
1041	case 1:
1042	default:
1043		rdev->config.cayman.tile_config |= (0 << 0);
1044		break;
1045	case 2:
1046		rdev->config.cayman.tile_config |= (1 << 0);
1047		break;
1048	case 4:
1049		rdev->config.cayman.tile_config |= (2 << 0);
1050		break;
1051	case 8:
1052		rdev->config.cayman.tile_config |= (3 << 0);
1053		break;
1054	}
1055
1056	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1057	if (rdev->flags & RADEON_IS_IGP)
1058		rdev->config.cayman.tile_config |= 1 << 4;
1059	else {
1060		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1061		case 0: /* four banks */
1062			rdev->config.cayman.tile_config |= 0 << 4;
1063			break;
1064		case 1: /* eight banks */
1065			rdev->config.cayman.tile_config |= 1 << 4;
1066			break;
1067		case 2: /* sixteen banks */
1068		default:
1069			rdev->config.cayman.tile_config |= 2 << 4;
1070			break;
1071		}
1072	}
1073	rdev->config.cayman.tile_config |=
1074		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1075	rdev->config.cayman.tile_config |=
1076		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1077
1078	tmp = 0;
1079	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1080		u32 rb_disable_bitmap;
1081
1082		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1083		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1084		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1085		tmp <<= 4;
1086		tmp |= rb_disable_bitmap;
1087	}
1088	/* enabled rb are just the one not disabled :) */
1089	disabled_rb_mask = tmp;
1090	tmp = 0;
1091	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1092		tmp |= (1 << i);
1093	/* if all the backends are disabled, fix it up here */
1094	if ((disabled_rb_mask & tmp) == tmp) {
1095		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1096			disabled_rb_mask &= ~(1 << i);
1097	}
1098
1099	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1100		u32 simd_disable_bitmap;
1101
1102		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1103		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1104		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1105		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1106		tmp <<= 16;
1107		tmp |= simd_disable_bitmap;
1108	}
1109	rdev->config.cayman.active_simds = hweight32(~tmp);
1110
1111	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1112	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1113
1114	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1115	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1116	if (ASIC_IS_DCE6(rdev))
1117		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1118	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1119	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1120	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1121	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1122	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1123	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1124
1125	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1126	    (rdev->flags & RADEON_IS_IGP)) {
1127		if ((disabled_rb_mask & 3) == 2) {
1128			/* RB1 disabled, RB0 enabled */
1129			tmp = 0x00000000;
1130		} else {
1131			/* RB0 disabled, RB1 enabled */
1132			tmp = 0x11111111;
1133		}
1134	} else {
1135		tmp = gb_addr_config & NUM_PIPES_MASK;
1136		tmp = r6xx_remap_render_backend(rdev, tmp,
1137						rdev->config.cayman.max_backends_per_se *
1138						rdev->config.cayman.max_shader_engines,
1139						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1140	}
1141	rdev->config.cayman.backend_map = tmp;
1142	WREG32(GB_BACKEND_MAP, tmp);
1143
1144	cgts_tcc_disable = 0xffff0000;
1145	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1146		cgts_tcc_disable &= ~(1 << (16 + i));
1147	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1148	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1149	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1150	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1151
1152	/* reprogram the shader complex */
1153	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1154	for (i = 0; i < 16; i++)
1155		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1156	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1157
1158	/* set HW defaults for 3D engine */
1159	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1160
1161	sx_debug_1 = RREG32(SX_DEBUG_1);
1162	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1163	WREG32(SX_DEBUG_1, sx_debug_1);
1164
1165	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1166	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1167	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1168	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1169
1170	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1171
1172	/* need to be explicitly zero-ed */
1173	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1174	WREG32(SQ_LSTMP_RING_BASE, 0);
1175	WREG32(SQ_HSTMP_RING_BASE, 0);
1176	WREG32(SQ_ESTMP_RING_BASE, 0);
1177	WREG32(SQ_GSTMP_RING_BASE, 0);
1178	WREG32(SQ_VSTMP_RING_BASE, 0);
1179	WREG32(SQ_PSTMP_RING_BASE, 0);
1180
1181	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1182
1183	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1184					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1185					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1186
1187	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1188				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1189				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1190
1191
1192	WREG32(VGT_NUM_INSTANCES, 1);
1193
1194	WREG32(CP_PERFMON_CNTL, 0);
1195
1196	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1197				  FETCH_FIFO_HIWATER(0x4) |
1198				  DONE_FIFO_HIWATER(0xe0) |
1199				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1200
1201	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1202	WREG32(SQ_CONFIG, (VC_ENABLE |
1203			   EXPORT_SRC_C |
1204			   GFX_PRIO(0) |
1205			   CS1_PRIO(0) |
1206			   CS2_PRIO(1)));
1207	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1208
1209	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1210					  FORCE_EOV_MAX_REZ_CNT(255)));
1211
1212	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1213	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1214
1215	WREG32(VGT_GS_VERTEX_REUSE, 16);
1216	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1217
1218	WREG32(CB_PERF_CTR0_SEL_0, 0);
1219	WREG32(CB_PERF_CTR0_SEL_1, 0);
1220	WREG32(CB_PERF_CTR1_SEL_0, 0);
1221	WREG32(CB_PERF_CTR1_SEL_1, 0);
1222	WREG32(CB_PERF_CTR2_SEL_0, 0);
1223	WREG32(CB_PERF_CTR2_SEL_1, 0);
1224	WREG32(CB_PERF_CTR3_SEL_0, 0);
1225	WREG32(CB_PERF_CTR3_SEL_1, 0);
1226
1227	tmp = RREG32(HDP_MISC_CNTL);
1228	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1229	WREG32(HDP_MISC_CNTL, tmp);
1230
1231	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1232	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1233
1234	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1235
1236	udelay(50);
1237
1238	/* set clockgating golden values on TN */
1239	if (rdev->family == CHIP_ARUBA) {
1240		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1241		tmp &= ~0x00380000;
1242		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1243		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1244		tmp &= ~0x0e000000;
1245		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1246	}
1247}
1248
1249/*
1250 * GART
1251 */
1252void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1253{
1254	/* flush hdp cache */
1255	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1256
1257	/* bits 0-7 are the VM contexts0-7 */
1258	WREG32(VM_INVALIDATE_REQUEST, 1);
1259}
1260
1261static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1262{
1263	int i, r;
1264
1265	if (rdev->gart.robj == NULL) {
1266		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1267		return -EINVAL;
1268	}
1269	r = radeon_gart_table_vram_pin(rdev);
1270	if (r)
1271		return r;
1272	/* Setup TLB control */
1273	WREG32(MC_VM_MX_L1_TLB_CNTL,
1274	       (0xA << 7) |
1275	       ENABLE_L1_TLB |
1276	       ENABLE_L1_FRAGMENT_PROCESSING |
1277	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1278	       ENABLE_ADVANCED_DRIVER_MODEL |
1279	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1280	/* Setup L2 cache */
1281	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1282	       ENABLE_L2_FRAGMENT_PROCESSING |
1283	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1284	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1285	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1286	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1287	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1288	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1289	       BANK_SELECT(6) |
1290	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1291	/* setup context0 */
1292	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1293	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1294	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1295	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1296			(u32)(rdev->dummy_page.addr >> 12));
1297	WREG32(VM_CONTEXT0_CNTL2, 0);
1298	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1299				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1300
1301	WREG32(0x15D4, 0);
1302	WREG32(0x15D8, 0);
1303	WREG32(0x15DC, 0);
1304
1305	/* empty context1-7 */
1306	/* Assign the pt base to something valid for now; the pts used for
1307	 * the VMs are determined by the application and setup and assigned
1308	 * on the fly in the vm part of radeon_gart.c
1309	 */
1310	for (i = 1; i < 8; i++) {
1311		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1312		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1313			rdev->vm_manager.max_pfn - 1);
1314		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1315		       rdev->vm_manager.saved_table_addr[i]);
1316	}
1317
1318	/* enable context1-7 */
1319	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1320	       (u32)(rdev->dummy_page.addr >> 12));
1321	WREG32(VM_CONTEXT1_CNTL2, 4);
1322	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1323				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1324				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1325				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1326				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1327				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1328				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1329				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1330				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1331				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1332				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1333				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1334				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1335				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1336
1337	cayman_pcie_gart_tlb_flush(rdev);
1338	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1339		 (unsigned)(rdev->mc.gtt_size >> 20),
1340		 (unsigned long long)rdev->gart.table_addr);
1341	rdev->gart.ready = true;
1342	return 0;
1343}
1344
1345static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1346{
1347	unsigned i;
1348
1349	for (i = 1; i < 8; ++i) {
1350		rdev->vm_manager.saved_table_addr[i] = RREG32(
1351			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1352	}
1353
1354	/* Disable all tables */
1355	WREG32(VM_CONTEXT0_CNTL, 0);
1356	WREG32(VM_CONTEXT1_CNTL, 0);
1357	/* Setup TLB control */
1358	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1359	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1360	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1361	/* Setup L2 cache */
1362	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1363	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1364	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1365	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1366	WREG32(VM_L2_CNTL2, 0);
1367	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1368	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1369	radeon_gart_table_vram_unpin(rdev);
1370}
1371
1372static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1373{
1374	cayman_pcie_gart_disable(rdev);
1375	radeon_gart_table_vram_free(rdev);
1376	radeon_gart_fini(rdev);
1377}
1378
1379void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1380			      int ring, u32 cp_int_cntl)
1381{
1382	WREG32(SRBM_GFX_CNTL, RINGID(ring));
1383	WREG32(CP_INT_CNTL, cp_int_cntl);
1384}
1385
1386/*
1387 * CP.
1388 */
1389void cayman_fence_ring_emit(struct radeon_device *rdev,
1390			    struct radeon_fence *fence)
1391{
1392	struct radeon_ring *ring = &rdev->ring[fence->ring];
1393	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1394	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1395		PACKET3_SH_ACTION_ENA;
1396
1397	/* flush read cache over gart for this vmid */
1398	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1399	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1400	radeon_ring_write(ring, 0xFFFFFFFF);
1401	radeon_ring_write(ring, 0);
1402	radeon_ring_write(ring, 10); /* poll interval */
1403	/* EVENT_WRITE_EOP - flush caches, send int */
1404	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1405	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1406	radeon_ring_write(ring, lower_32_bits(addr));
1407	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1408	radeon_ring_write(ring, fence->seq);
1409	radeon_ring_write(ring, 0);
1410}
1411
1412void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1413{
1414	struct radeon_ring *ring = &rdev->ring[ib->ring];
1415	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1416	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1417		PACKET3_SH_ACTION_ENA;
1418
1419	/* set to DX10/11 mode */
1420	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1421	radeon_ring_write(ring, 1);
1422
1423	if (ring->rptr_save_reg) {
1424		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1425		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1426		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1427					  PACKET3_SET_CONFIG_REG_START) >> 2));
1428		radeon_ring_write(ring, next_rptr);
1429	}
1430
1431	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1432	radeon_ring_write(ring,
1433#ifdef __BIG_ENDIAN
1434			  (2 << 0) |
1435#endif
1436			  (ib->gpu_addr & 0xFFFFFFFC));
1437	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1438	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1439
1440	/* flush read cache over gart for this vmid */
1441	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1442	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1443	radeon_ring_write(ring, 0xFFFFFFFF);
1444	radeon_ring_write(ring, 0);
1445	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1446}
1447
1448static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1449{
1450	if (enable)
1451		WREG32(CP_ME_CNTL, 0);
1452	else {
1453		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1454			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1455		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1456		WREG32(SCRATCH_UMSK, 0);
1457		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1458	}
1459}
1460
1461u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1462			struct radeon_ring *ring)
1463{
1464	u32 rptr;
1465
1466	if (rdev->wb.enabled)
1467		rptr = rdev->wb.wb[ring->rptr_offs/4];
1468	else {
1469		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1470			rptr = RREG32(CP_RB0_RPTR);
1471		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1472			rptr = RREG32(CP_RB1_RPTR);
1473		else
1474			rptr = RREG32(CP_RB2_RPTR);
1475	}
1476
1477	return rptr;
1478}
1479
1480u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1481			struct radeon_ring *ring)
1482{
1483	u32 wptr;
1484
1485	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1486		wptr = RREG32(CP_RB0_WPTR);
1487	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1488		wptr = RREG32(CP_RB1_WPTR);
1489	else
1490		wptr = RREG32(CP_RB2_WPTR);
1491
1492	return wptr;
1493}
1494
1495void cayman_gfx_set_wptr(struct radeon_device *rdev,
1496			 struct radeon_ring *ring)
1497{
1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1499		WREG32(CP_RB0_WPTR, ring->wptr);
1500		(void)RREG32(CP_RB0_WPTR);
1501	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1502		WREG32(CP_RB1_WPTR, ring->wptr);
1503		(void)RREG32(CP_RB1_WPTR);
1504	} else {
1505		WREG32(CP_RB2_WPTR, ring->wptr);
1506		(void)RREG32(CP_RB2_WPTR);
1507	}
1508}
1509
1510static int cayman_cp_load_microcode(struct radeon_device *rdev)
1511{
1512	const __be32 *fw_data;
1513	int i;
1514
1515	if (!rdev->me_fw || !rdev->pfp_fw)
1516		return -EINVAL;
1517
1518	cayman_cp_enable(rdev, false);
1519
1520	fw_data = (const __be32 *)rdev->pfp_fw->data;
1521	WREG32(CP_PFP_UCODE_ADDR, 0);
1522	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1523		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1524	WREG32(CP_PFP_UCODE_ADDR, 0);
1525
1526	fw_data = (const __be32 *)rdev->me_fw->data;
1527	WREG32(CP_ME_RAM_WADDR, 0);
1528	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1529		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1530
1531	WREG32(CP_PFP_UCODE_ADDR, 0);
1532	WREG32(CP_ME_RAM_WADDR, 0);
1533	WREG32(CP_ME_RAM_RADDR, 0);
1534	return 0;
1535}
1536
1537static int cayman_cp_start(struct radeon_device *rdev)
1538{
1539	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1540	int r, i;
1541
1542	r = radeon_ring_lock(rdev, ring, 7);
1543	if (r) {
1544		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1545		return r;
1546	}
1547	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1548	radeon_ring_write(ring, 0x1);
1549	radeon_ring_write(ring, 0x0);
1550	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1551	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1552	radeon_ring_write(ring, 0);
1553	radeon_ring_write(ring, 0);
1554	radeon_ring_unlock_commit(rdev, ring, false);
1555
1556	cayman_cp_enable(rdev, true);
1557
1558	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1559	if (r) {
1560		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1561		return r;
1562	}
1563
1564	/* setup clear context state */
1565	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1566	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1567
1568	for (i = 0; i < cayman_default_size; i++)
1569		radeon_ring_write(ring, cayman_default_state[i]);
1570
1571	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1572	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1573
1574	/* set clear context state */
1575	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1576	radeon_ring_write(ring, 0);
1577
1578	/* SQ_VTX_BASE_VTX_LOC */
1579	radeon_ring_write(ring, 0xc0026f00);
1580	radeon_ring_write(ring, 0x00000000);
1581	radeon_ring_write(ring, 0x00000000);
1582	radeon_ring_write(ring, 0x00000000);
1583
1584	/* Clear consts */
1585	radeon_ring_write(ring, 0xc0036f00);
1586	radeon_ring_write(ring, 0x00000bc4);
1587	radeon_ring_write(ring, 0xffffffff);
1588	radeon_ring_write(ring, 0xffffffff);
1589	radeon_ring_write(ring, 0xffffffff);
1590
1591	radeon_ring_write(ring, 0xc0026900);
1592	radeon_ring_write(ring, 0x00000316);
1593	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1594	radeon_ring_write(ring, 0x00000010); /*  */
1595
1596	radeon_ring_unlock_commit(rdev, ring, false);
1597
1598	/* XXX init other rings */
1599
1600	return 0;
1601}
1602
1603static void cayman_cp_fini(struct radeon_device *rdev)
1604{
1605	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1606	cayman_cp_enable(rdev, false);
1607	radeon_ring_fini(rdev, ring);
1608	radeon_scratch_free(rdev, ring->rptr_save_reg);
1609}
1610
1611static int cayman_cp_resume(struct radeon_device *rdev)
1612{
1613	static const int ridx[] = {
1614		RADEON_RING_TYPE_GFX_INDEX,
1615		CAYMAN_RING_TYPE_CP1_INDEX,
1616		CAYMAN_RING_TYPE_CP2_INDEX
1617	};
1618	static const unsigned cp_rb_cntl[] = {
1619		CP_RB0_CNTL,
1620		CP_RB1_CNTL,
1621		CP_RB2_CNTL,
1622	};
1623	static const unsigned cp_rb_rptr_addr[] = {
1624		CP_RB0_RPTR_ADDR,
1625		CP_RB1_RPTR_ADDR,
1626		CP_RB2_RPTR_ADDR
1627	};
1628	static const unsigned cp_rb_rptr_addr_hi[] = {
1629		CP_RB0_RPTR_ADDR_HI,
1630		CP_RB1_RPTR_ADDR_HI,
1631		CP_RB2_RPTR_ADDR_HI
1632	};
1633	static const unsigned cp_rb_base[] = {
1634		CP_RB0_BASE,
1635		CP_RB1_BASE,
1636		CP_RB2_BASE
1637	};
1638	static const unsigned cp_rb_rptr[] = {
1639		CP_RB0_RPTR,
1640		CP_RB1_RPTR,
1641		CP_RB2_RPTR
1642	};
1643	static const unsigned cp_rb_wptr[] = {
1644		CP_RB0_WPTR,
1645		CP_RB1_WPTR,
1646		CP_RB2_WPTR
1647	};
1648	struct radeon_ring *ring;
1649	int i, r;
1650
1651	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1652	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1653				 SOFT_RESET_PA |
1654				 SOFT_RESET_SH |
1655				 SOFT_RESET_VGT |
1656				 SOFT_RESET_SPI |
1657				 SOFT_RESET_SX));
1658	RREG32(GRBM_SOFT_RESET);
1659	mdelay(15);
1660	WREG32(GRBM_SOFT_RESET, 0);
1661	RREG32(GRBM_SOFT_RESET);
1662
1663	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1664	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1665
1666	/* Set the write pointer delay */
1667	WREG32(CP_RB_WPTR_DELAY, 0);
1668
1669	WREG32(CP_DEBUG, (1 << 27));
1670
1671	/* set the wb address whether it's enabled or not */
1672	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1673	WREG32(SCRATCH_UMSK, 0xff);
1674
1675	for (i = 0; i < 3; ++i) {
1676		uint32_t rb_cntl;
1677		uint64_t addr;
1678
1679		/* Set ring buffer size */
1680		ring = &rdev->ring[ridx[i]];
1681		rb_cntl = order_base_2(ring->ring_size / 8);
1682		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1683#ifdef __BIG_ENDIAN
1684		rb_cntl |= BUF_SWAP_32BIT;
1685#endif
1686		WREG32(cp_rb_cntl[i], rb_cntl);
1687
1688		/* set the wb address whether it's enabled or not */
1689		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1690		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1691		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1692	}
1693
1694	/* set the rb base addr, this causes an internal reset of ALL rings */
1695	for (i = 0; i < 3; ++i) {
1696		ring = &rdev->ring[ridx[i]];
1697		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1698	}
1699
1700	for (i = 0; i < 3; ++i) {
1701		/* Initialize the ring buffer's read and write pointers */
1702		ring = &rdev->ring[ridx[i]];
1703		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1704
1705		ring->wptr = 0;
1706		WREG32(cp_rb_rptr[i], 0);
1707		WREG32(cp_rb_wptr[i], ring->wptr);
1708
1709		mdelay(1);
1710		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1711	}
1712
1713	/* start the rings */
1714	cayman_cp_start(rdev);
1715	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1716	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1717	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1718	/* this only test cp0 */
1719	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1720	if (r) {
1721		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1722		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1723		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1724		return r;
1725	}
1726
1727	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1728		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1729
1730	return 0;
1731}
1732
1733u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1734{
1735	u32 reset_mask = 0;
1736	u32 tmp;
1737
1738	/* GRBM_STATUS */
1739	tmp = RREG32(GRBM_STATUS);
1740	if (tmp & (PA_BUSY | SC_BUSY |
1741		   SH_BUSY | SX_BUSY |
1742		   TA_BUSY | VGT_BUSY |
1743		   DB_BUSY | CB_BUSY |
1744		   GDS_BUSY | SPI_BUSY |
1745		   IA_BUSY | IA_BUSY_NO_DMA))
1746		reset_mask |= RADEON_RESET_GFX;
1747
1748	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1749		   CP_BUSY | CP_COHERENCY_BUSY))
1750		reset_mask |= RADEON_RESET_CP;
1751
1752	if (tmp & GRBM_EE_BUSY)
1753		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1754
1755	/* DMA_STATUS_REG 0 */
1756	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1757	if (!(tmp & DMA_IDLE))
1758		reset_mask |= RADEON_RESET_DMA;
1759
1760	/* DMA_STATUS_REG 1 */
1761	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1762	if (!(tmp & DMA_IDLE))
1763		reset_mask |= RADEON_RESET_DMA1;
1764
1765	/* SRBM_STATUS2 */
1766	tmp = RREG32(SRBM_STATUS2);
1767	if (tmp & DMA_BUSY)
1768		reset_mask |= RADEON_RESET_DMA;
1769
1770	if (tmp & DMA1_BUSY)
1771		reset_mask |= RADEON_RESET_DMA1;
1772
1773	/* SRBM_STATUS */
1774	tmp = RREG32(SRBM_STATUS);
1775	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1776		reset_mask |= RADEON_RESET_RLC;
1777
1778	if (tmp & IH_BUSY)
1779		reset_mask |= RADEON_RESET_IH;
1780
1781	if (tmp & SEM_BUSY)
1782		reset_mask |= RADEON_RESET_SEM;
1783
1784	if (tmp & GRBM_RQ_PENDING)
1785		reset_mask |= RADEON_RESET_GRBM;
1786
1787	if (tmp & VMC_BUSY)
1788		reset_mask |= RADEON_RESET_VMC;
1789
1790	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1791		   MCC_BUSY | MCD_BUSY))
1792		reset_mask |= RADEON_RESET_MC;
1793
1794	if (evergreen_is_display_hung(rdev))
1795		reset_mask |= RADEON_RESET_DISPLAY;
1796
1797	/* VM_L2_STATUS */
1798	tmp = RREG32(VM_L2_STATUS);
1799	if (tmp & L2_BUSY)
1800		reset_mask |= RADEON_RESET_VMC;
1801
1802	/* Skip MC reset as it's mostly likely not hung, just busy */
1803	if (reset_mask & RADEON_RESET_MC) {
1804		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1805		reset_mask &= ~RADEON_RESET_MC;
1806	}
1807
1808	return reset_mask;
1809}
1810
1811static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1812{
1813	struct evergreen_mc_save save;
1814	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1815	u32 tmp;
1816
1817	if (reset_mask == 0)
1818		return;
1819
1820	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1821
1822	evergreen_print_gpu_status_regs(rdev);
1823	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1824		 RREG32(0x14F8));
1825	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1826		 RREG32(0x14D8));
1827	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1828		 RREG32(0x14FC));
1829	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1830		 RREG32(0x14DC));
1831
1832	/* Disable CP parsing/prefetching */
1833	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1834
1835	if (reset_mask & RADEON_RESET_DMA) {
1836		/* dma0 */
1837		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1838		tmp &= ~DMA_RB_ENABLE;
1839		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1840	}
1841
1842	if (reset_mask & RADEON_RESET_DMA1) {
1843		/* dma1 */
1844		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1845		tmp &= ~DMA_RB_ENABLE;
1846		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1847	}
1848
1849	udelay(50);
1850
1851	evergreen_mc_stop(rdev, &save);
1852	if (evergreen_mc_wait_for_idle(rdev)) {
1853		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1854	}
1855
1856	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1857		grbm_soft_reset = SOFT_RESET_CB |
1858			SOFT_RESET_DB |
1859			SOFT_RESET_GDS |
1860			SOFT_RESET_PA |
1861			SOFT_RESET_SC |
1862			SOFT_RESET_SPI |
1863			SOFT_RESET_SH |
1864			SOFT_RESET_SX |
1865			SOFT_RESET_TC |
1866			SOFT_RESET_TA |
1867			SOFT_RESET_VGT |
1868			SOFT_RESET_IA;
1869	}
1870
1871	if (reset_mask & RADEON_RESET_CP) {
1872		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1873
1874		srbm_soft_reset |= SOFT_RESET_GRBM;
1875	}
1876
1877	if (reset_mask & RADEON_RESET_DMA)
1878		srbm_soft_reset |= SOFT_RESET_DMA;
1879
1880	if (reset_mask & RADEON_RESET_DMA1)
1881		srbm_soft_reset |= SOFT_RESET_DMA1;
1882
1883	if (reset_mask & RADEON_RESET_DISPLAY)
1884		srbm_soft_reset |= SOFT_RESET_DC;
1885
1886	if (reset_mask & RADEON_RESET_RLC)
1887		srbm_soft_reset |= SOFT_RESET_RLC;
1888
1889	if (reset_mask & RADEON_RESET_SEM)
1890		srbm_soft_reset |= SOFT_RESET_SEM;
1891
1892	if (reset_mask & RADEON_RESET_IH)
1893		srbm_soft_reset |= SOFT_RESET_IH;
1894
1895	if (reset_mask & RADEON_RESET_GRBM)
1896		srbm_soft_reset |= SOFT_RESET_GRBM;
1897
1898	if (reset_mask & RADEON_RESET_VMC)
1899		srbm_soft_reset |= SOFT_RESET_VMC;
1900
1901	if (!(rdev->flags & RADEON_IS_IGP)) {
1902		if (reset_mask & RADEON_RESET_MC)
1903			srbm_soft_reset |= SOFT_RESET_MC;
1904	}
1905
1906	if (grbm_soft_reset) {
1907		tmp = RREG32(GRBM_SOFT_RESET);
1908		tmp |= grbm_soft_reset;
1909		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1910		WREG32(GRBM_SOFT_RESET, tmp);
1911		tmp = RREG32(GRBM_SOFT_RESET);
1912
1913		udelay(50);
1914
1915		tmp &= ~grbm_soft_reset;
1916		WREG32(GRBM_SOFT_RESET, tmp);
1917		tmp = RREG32(GRBM_SOFT_RESET);
1918	}
1919
1920	if (srbm_soft_reset) {
1921		tmp = RREG32(SRBM_SOFT_RESET);
1922		tmp |= srbm_soft_reset;
1923		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1924		WREG32(SRBM_SOFT_RESET, tmp);
1925		tmp = RREG32(SRBM_SOFT_RESET);
1926
1927		udelay(50);
1928
1929		tmp &= ~srbm_soft_reset;
1930		WREG32(SRBM_SOFT_RESET, tmp);
1931		tmp = RREG32(SRBM_SOFT_RESET);
1932	}
1933
1934	/* Wait a little for things to settle down */
1935	udelay(50);
1936
1937	evergreen_mc_resume(rdev, &save);
1938	udelay(50);
1939
1940	evergreen_print_gpu_status_regs(rdev);
1941}
1942
1943int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1944{
1945	u32 reset_mask;
1946
1947	if (hard) {
1948		evergreen_gpu_pci_config_reset(rdev);
1949		return 0;
1950	}
1951
1952	reset_mask = cayman_gpu_check_soft_reset(rdev);
1953
1954	if (reset_mask)
1955		r600_set_bios_scratch_engine_hung(rdev, true);
1956
1957	cayman_gpu_soft_reset(rdev, reset_mask);
1958
1959	reset_mask = cayman_gpu_check_soft_reset(rdev);
1960
1961	if (reset_mask)
1962		evergreen_gpu_pci_config_reset(rdev);
1963
1964	r600_set_bios_scratch_engine_hung(rdev, false);
1965
1966	return 0;
1967}
1968
1969/**
1970 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1971 *
1972 * @rdev: radeon_device pointer
1973 * @ring: radeon_ring structure holding ring information
1974 *
1975 * Check if the GFX engine is locked up.
1976 * Returns true if the engine appears to be locked up, false if not.
1977 */
1978bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1979{
1980	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1981
1982	if (!(reset_mask & (RADEON_RESET_GFX |
1983			    RADEON_RESET_COMPUTE |
1984			    RADEON_RESET_CP))) {
1985		radeon_ring_lockup_update(rdev, ring);
1986		return false;
1987	}
1988	return radeon_ring_test_lockup(rdev, ring);
1989}
1990
1991static void cayman_uvd_init(struct radeon_device *rdev)
1992{
1993	int r;
1994
1995	if (!rdev->has_uvd)
1996		return;
1997
1998	r = radeon_uvd_init(rdev);
1999	if (r) {
2000		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2001		/*
2002		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2003		 * to early fails uvd_v2_2_resume() and thus nothing happens
2004		 * there. So it is pointless to try to go through that code
2005		 * hence why we disable uvd here.
2006		 */
2007		rdev->has_uvd = false;
2008		return;
2009	}
2010	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2011	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2012}
2013
2014static void cayman_uvd_start(struct radeon_device *rdev)
2015{
2016	int r;
2017
2018	if (!rdev->has_uvd)
2019		return;
2020
2021	r = uvd_v2_2_resume(rdev);
2022	if (r) {
2023		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2024		goto error;
2025	}
2026	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2027	if (r) {
2028		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2029		goto error;
2030	}
2031	return;
2032
2033error:
2034	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2035}
2036
2037static void cayman_uvd_resume(struct radeon_device *rdev)
2038{
2039	struct radeon_ring *ring;
2040	int r;
2041
2042	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2043		return;
2044
2045	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2046	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2047	if (r) {
2048		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2049		return;
2050	}
2051	r = uvd_v1_0_init(rdev);
2052	if (r) {
2053		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2054		return;
2055	}
2056}
2057
2058static void cayman_vce_init(struct radeon_device *rdev)
2059{
2060	int r;
2061
2062	/* Only set for CHIP_ARUBA */
2063	if (!rdev->has_vce)
2064		return;
2065
2066	r = radeon_vce_init(rdev);
2067	if (r) {
2068		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2069		/*
2070		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2071		 * to early fails cayman_vce_start() and thus nothing happens
2072		 * there. So it is pointless to try to go through that code
2073		 * hence why we disable vce here.
2074		 */
2075		rdev->has_vce = false;
2076		return;
2077	}
2078	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2079	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2080	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2081	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2082}
2083
2084static void cayman_vce_start(struct radeon_device *rdev)
2085{
2086	int r;
2087
2088	if (!rdev->has_vce)
2089		return;
2090
2091	r = radeon_vce_resume(rdev);
2092	if (r) {
2093		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2094		goto error;
2095	}
2096	r = vce_v1_0_resume(rdev);
2097	if (r) {
2098		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2099		goto error;
2100	}
2101	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2102	if (r) {
2103		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2104		goto error;
2105	}
2106	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2107	if (r) {
2108		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2109		goto error;
2110	}
2111	return;
2112
2113error:
2114	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2115	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2116}
2117
2118static void cayman_vce_resume(struct radeon_device *rdev)
2119{
2120	struct radeon_ring *ring;
2121	int r;
2122
2123	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2124		return;
2125
2126	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2127	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2128	if (r) {
2129		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2130		return;
2131	}
2132	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2133	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2134	if (r) {
2135		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2136		return;
2137	}
2138	r = vce_v1_0_init(rdev);
2139	if (r) {
2140		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2141		return;
2142	}
2143}
2144
2145static int cayman_startup(struct radeon_device *rdev)
2146{
2147	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2148	int r;
2149
2150	/* enable pcie gen2 link */
2151	evergreen_pcie_gen2_enable(rdev);
2152	/* enable aspm */
2153	evergreen_program_aspm(rdev);
2154
2155	/* scratch needs to be initialized before MC */
2156	r = r600_vram_scratch_init(rdev);
2157	if (r)
2158		return r;
2159
2160	evergreen_mc_program(rdev);
2161
2162	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2163		r = ni_mc_load_microcode(rdev);
2164		if (r) {
2165			DRM_ERROR("Failed to load MC firmware!\n");
2166			return r;
2167		}
2168	}
2169
2170	r = cayman_pcie_gart_enable(rdev);
2171	if (r)
2172		return r;
2173	cayman_gpu_init(rdev);
2174
2175	/* allocate rlc buffers */
2176	if (rdev->flags & RADEON_IS_IGP) {
2177		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2178		rdev->rlc.reg_list_size =
2179			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2180		rdev->rlc.cs_data = cayman_cs_data;
2181		r = sumo_rlc_init(rdev);
2182		if (r) {
2183			DRM_ERROR("Failed to init rlc BOs!\n");
2184			return r;
2185		}
2186	}
2187
2188	/* allocate wb buffer */
2189	r = radeon_wb_init(rdev);
2190	if (r)
2191		return r;
2192
2193	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2194	if (r) {
2195		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2196		return r;
2197	}
2198
2199	cayman_uvd_start(rdev);
2200	cayman_vce_start(rdev);
2201
2202	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2203	if (r) {
2204		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2205		return r;
2206	}
2207
2208	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2209	if (r) {
2210		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2211		return r;
2212	}
2213
2214	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2215	if (r) {
2216		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2217		return r;
2218	}
2219
2220	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2221	if (r) {
2222		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2223		return r;
2224	}
2225
2226	/* Enable IRQ */
2227	if (!rdev->irq.installed) {
2228		r = radeon_irq_kms_init(rdev);
2229		if (r)
2230			return r;
2231	}
2232
2233	r = r600_irq_init(rdev);
2234	if (r) {
2235		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2236		radeon_irq_kms_fini(rdev);
2237		return r;
2238	}
2239	evergreen_irq_set(rdev);
2240
2241	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2242			     RADEON_CP_PACKET2);
2243	if (r)
2244		return r;
2245
2246	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2247	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2248			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2249	if (r)
2250		return r;
2251
2252	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2253	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2254			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2255	if (r)
2256		return r;
2257
2258	r = cayman_cp_load_microcode(rdev);
2259	if (r)
2260		return r;
2261	r = cayman_cp_resume(rdev);
2262	if (r)
2263		return r;
2264
2265	r = cayman_dma_resume(rdev);
2266	if (r)
2267		return r;
2268
2269	cayman_uvd_resume(rdev);
2270	cayman_vce_resume(rdev);
2271
2272	r = radeon_ib_pool_init(rdev);
2273	if (r) {
2274		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2275		return r;
2276	}
2277
2278	r = radeon_vm_manager_init(rdev);
2279	if (r) {
2280		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2281		return r;
2282	}
2283
2284	r = radeon_audio_init(rdev);
2285	if (r)
2286		return r;
2287
2288	return 0;
2289}
2290
2291int cayman_resume(struct radeon_device *rdev)
2292{
2293	int r;
2294
2295	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2296	 * posting will perform necessary task to bring back GPU into good
2297	 * shape.
2298	 */
2299	/* post card */
2300	atom_asic_init(rdev->mode_info.atom_context);
2301
2302	/* init golden registers */
2303	ni_init_golden_registers(rdev);
2304
2305	if (rdev->pm.pm_method == PM_METHOD_DPM)
2306		radeon_pm_resume(rdev);
2307
2308	rdev->accel_working = true;
2309	r = cayman_startup(rdev);
2310	if (r) {
2311		DRM_ERROR("cayman startup failed on resume\n");
2312		rdev->accel_working = false;
2313		return r;
2314	}
2315	return r;
2316}
2317
2318int cayman_suspend(struct radeon_device *rdev)
2319{
2320	radeon_pm_suspend(rdev);
2321	radeon_audio_fini(rdev);
2322	radeon_vm_manager_fini(rdev);
2323	cayman_cp_enable(rdev, false);
2324	cayman_dma_stop(rdev);
2325	if (rdev->has_uvd) {
2326		radeon_uvd_suspend(rdev);
2327		uvd_v1_0_fini(rdev);
 
2328	}
2329	evergreen_irq_suspend(rdev);
2330	radeon_wb_disable(rdev);
2331	cayman_pcie_gart_disable(rdev);
2332	return 0;
2333}
2334
2335/* Plan is to move initialization in that function and use
2336 * helper function so that radeon_device_init pretty much
2337 * do nothing more than calling asic specific function. This
2338 * should also allow to remove a bunch of callback function
2339 * like vram_info.
2340 */
2341int cayman_init(struct radeon_device *rdev)
2342{
2343	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2344	int r;
2345
2346	/* Read BIOS */
2347	if (!radeon_get_bios(rdev)) {
2348		if (ASIC_IS_AVIVO(rdev))
2349			return -EINVAL;
2350	}
2351	/* Must be an ATOMBIOS */
2352	if (!rdev->is_atom_bios) {
2353		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2354		return -EINVAL;
2355	}
2356	r = radeon_atombios_init(rdev);
2357	if (r)
2358		return r;
2359
2360	/* Post card if necessary */
2361	if (!radeon_card_posted(rdev)) {
2362		if (!rdev->bios) {
2363			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2364			return -EINVAL;
2365		}
2366		DRM_INFO("GPU not posted. posting now...\n");
2367		atom_asic_init(rdev->mode_info.atom_context);
2368	}
2369	/* init golden registers */
2370	ni_init_golden_registers(rdev);
2371	/* Initialize scratch registers */
2372	r600_scratch_init(rdev);
2373	/* Initialize surface registers */
2374	radeon_surface_init(rdev);
2375	/* Initialize clocks */
2376	radeon_get_clock_info(rdev->ddev);
2377	/* Fence driver */
2378	radeon_fence_driver_init(rdev);
 
 
2379	/* initialize memory controller */
2380	r = evergreen_mc_init(rdev);
2381	if (r)
2382		return r;
2383	/* Memory manager */
2384	r = radeon_bo_init(rdev);
2385	if (r)
2386		return r;
2387
2388	if (rdev->flags & RADEON_IS_IGP) {
2389		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2390			r = ni_init_microcode(rdev);
2391			if (r) {
2392				DRM_ERROR("Failed to load firmware!\n");
2393				return r;
2394			}
2395		}
2396	} else {
2397		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2398			r = ni_init_microcode(rdev);
2399			if (r) {
2400				DRM_ERROR("Failed to load firmware!\n");
2401				return r;
2402			}
2403		}
2404	}
2405
2406	/* Initialize power management */
2407	radeon_pm_init(rdev);
2408
2409	ring->ring_obj = NULL;
2410	r600_ring_init(rdev, ring, 1024 * 1024);
2411
2412	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2413	ring->ring_obj = NULL;
2414	r600_ring_init(rdev, ring, 64 * 1024);
2415
2416	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2417	ring->ring_obj = NULL;
2418	r600_ring_init(rdev, ring, 64 * 1024);
2419
2420	cayman_uvd_init(rdev);
2421	cayman_vce_init(rdev);
2422
2423	rdev->ih.ring_obj = NULL;
2424	r600_ih_ring_init(rdev, 64 * 1024);
2425
2426	r = r600_pcie_gart_init(rdev);
2427	if (r)
2428		return r;
2429
2430	rdev->accel_working = true;
2431	r = cayman_startup(rdev);
2432	if (r) {
2433		dev_err(rdev->dev, "disabling GPU acceleration\n");
2434		cayman_cp_fini(rdev);
2435		cayman_dma_fini(rdev);
2436		r600_irq_fini(rdev);
2437		if (rdev->flags & RADEON_IS_IGP)
2438			sumo_rlc_fini(rdev);
2439		radeon_wb_fini(rdev);
2440		radeon_ib_pool_fini(rdev);
2441		radeon_vm_manager_fini(rdev);
2442		radeon_irq_kms_fini(rdev);
2443		cayman_pcie_gart_fini(rdev);
2444		rdev->accel_working = false;
2445	}
2446
2447	/* Don't start up if the MC ucode is missing.
2448	 * The default clocks and voltages before the MC ucode
2449	 * is loaded are not suffient for advanced operations.
2450	 *
2451	 * We can skip this check for TN, because there is no MC
2452	 * ucode.
2453	 */
2454	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2455		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2456		return -EINVAL;
2457	}
2458
2459	return 0;
2460}
2461
2462void cayman_fini(struct radeon_device *rdev)
2463{
2464	radeon_pm_fini(rdev);
2465	cayman_cp_fini(rdev);
2466	cayman_dma_fini(rdev);
2467	r600_irq_fini(rdev);
2468	if (rdev->flags & RADEON_IS_IGP)
2469		sumo_rlc_fini(rdev);
2470	radeon_wb_fini(rdev);
2471	radeon_vm_manager_fini(rdev);
2472	radeon_ib_pool_fini(rdev);
2473	radeon_irq_kms_fini(rdev);
2474	uvd_v1_0_fini(rdev);
2475	radeon_uvd_fini(rdev);
2476	if (rdev->has_vce)
2477		radeon_vce_fini(rdev);
2478	cayman_pcie_gart_fini(rdev);
2479	r600_vram_scratch_fini(rdev);
2480	radeon_gem_fini(rdev);
2481	radeon_fence_driver_fini(rdev);
2482	radeon_bo_fini(rdev);
2483	radeon_atombios_fini(rdev);
2484	kfree(rdev->bios);
2485	rdev->bios = NULL;
2486}
2487
2488/*
2489 * vm
2490 */
2491int cayman_vm_init(struct radeon_device *rdev)
2492{
2493	/* number of VMs */
2494	rdev->vm_manager.nvm = 8;
2495	/* base offset of vram pages */
2496	if (rdev->flags & RADEON_IS_IGP) {
2497		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2498		tmp <<= 22;
2499		rdev->vm_manager.vram_base_offset = tmp;
2500	} else
2501		rdev->vm_manager.vram_base_offset = 0;
2502	return 0;
2503}
2504
2505void cayman_vm_fini(struct radeon_device *rdev)
2506{
2507}
2508
2509/**
2510 * cayman_vm_decode_fault - print human readable fault info
2511 *
2512 * @rdev: radeon_device pointer
2513 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2514 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2515 *
2516 * Print human readable fault information (cayman/TN).
2517 */
2518void cayman_vm_decode_fault(struct radeon_device *rdev,
2519			    u32 status, u32 addr)
2520{
2521	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2522	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2523	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2524	char *block;
2525
2526	switch (mc_id) {
2527	case 32:
2528	case 16:
2529	case 96:
2530	case 80:
2531	case 160:
2532	case 144:
2533	case 224:
2534	case 208:
2535		block = "CB";
2536		break;
2537	case 33:
2538	case 17:
2539	case 97:
2540	case 81:
2541	case 161:
2542	case 145:
2543	case 225:
2544	case 209:
2545		block = "CB_FMASK";
2546		break;
2547	case 34:
2548	case 18:
2549	case 98:
2550	case 82:
2551	case 162:
2552	case 146:
2553	case 226:
2554	case 210:
2555		block = "CB_CMASK";
2556		break;
2557	case 35:
2558	case 19:
2559	case 99:
2560	case 83:
2561	case 163:
2562	case 147:
2563	case 227:
2564	case 211:
2565		block = "CB_IMMED";
2566		break;
2567	case 36:
2568	case 20:
2569	case 100:
2570	case 84:
2571	case 164:
2572	case 148:
2573	case 228:
2574	case 212:
2575		block = "DB";
2576		break;
2577	case 37:
2578	case 21:
2579	case 101:
2580	case 85:
2581	case 165:
2582	case 149:
2583	case 229:
2584	case 213:
2585		block = "DB_HTILE";
2586		break;
2587	case 38:
2588	case 22:
2589	case 102:
2590	case 86:
2591	case 166:
2592	case 150:
2593	case 230:
2594	case 214:
2595		block = "SX";
2596		break;
2597	case 39:
2598	case 23:
2599	case 103:
2600	case 87:
2601	case 167:
2602	case 151:
2603	case 231:
2604	case 215:
2605		block = "DB_STEN";
2606		break;
2607	case 40:
2608	case 24:
2609	case 104:
2610	case 88:
2611	case 232:
2612	case 216:
2613	case 168:
2614	case 152:
2615		block = "TC_TFETCH";
2616		break;
2617	case 41:
2618	case 25:
2619	case 105:
2620	case 89:
2621	case 233:
2622	case 217:
2623	case 169:
2624	case 153:
2625		block = "TC_VFETCH";
2626		break;
2627	case 42:
2628	case 26:
2629	case 106:
2630	case 90:
2631	case 234:
2632	case 218:
2633	case 170:
2634	case 154:
2635		block = "VC";
2636		break;
2637	case 112:
2638		block = "CP";
2639		break;
2640	case 113:
2641	case 114:
2642		block = "SH";
2643		break;
2644	case 115:
2645		block = "VGT";
2646		break;
2647	case 178:
2648		block = "IH";
2649		break;
2650	case 51:
2651		block = "RLC";
2652		break;
2653	case 55:
2654		block = "DMA";
2655		break;
2656	case 56:
2657		block = "HDP";
2658		break;
2659	default:
2660		block = "unknown";
2661		break;
2662	}
2663
2664	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2665	       protections, vmid, addr,
2666	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2667	       block, mc_id);
2668}
2669
2670/*
2671 * cayman_vm_flush - vm flush using the CP
 
 
2672 *
2673 * Update the page table base and flush the VM TLB
2674 * using the CP (cayman-si).
2675 */
2676void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2677		     unsigned vm_id, uint64_t pd_addr)
2678{
2679	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2680	radeon_ring_write(ring, pd_addr >> 12);
2681
2682	/* flush hdp cache */
2683	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2684	radeon_ring_write(ring, 0x1);
2685
2686	/* bits 0-7 are the VM contexts0-7 */
2687	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2688	radeon_ring_write(ring, 1 << vm_id);
2689
2690	/* wait for the invalidate to complete */
2691	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2692	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2693				 WAIT_REG_MEM_ENGINE(0))); /* me */
2694	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2695	radeon_ring_write(ring, 0);
2696	radeon_ring_write(ring, 0); /* ref */
2697	radeon_ring_write(ring, 0); /* mask */
2698	radeon_ring_write(ring, 0x20); /* poll interval */
2699
2700	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2701	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2702	radeon_ring_write(ring, 0x0);
2703}
2704
2705int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2706{
2707	struct atom_clock_dividers dividers;
2708	int r, i;
2709
2710	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2711					   ecclk, false, &dividers);
2712	if (r)
2713		return r;
2714
2715	for (i = 0; i < 100; i++) {
2716		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2717			break;
2718		mdelay(10);
2719	}
2720	if (i == 100)
2721		return -ETIMEDOUT;
2722
2723	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2724
2725	for (i = 0; i < 100; i++) {
2726		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2727			break;
2728		mdelay(10);
2729	}
2730	if (i == 100)
2731		return -ETIMEDOUT;
2732
2733	return 0;
2734}
v5.9
   1/*
   2 * Copyright 2010 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 * Authors: Alex Deucher
  23 */
  24
  25#include <linux/firmware.h>
  26#include <linux/module.h>
  27#include <linux/pci.h>
  28#include <linux/slab.h>
  29
  30#include <drm/radeon_drm.h>
  31
  32#include "atom.h"
  33#include "cayman_blit_shaders.h"
  34#include "clearstate_cayman.h"
 
 
  35#include "ni_reg.h"
  36#include "nid.h"
  37#include "radeon.h"
  38#include "radeon_asic.h"
  39#include "radeon_audio.h"
  40#include "radeon_ucode.h"
  41
  42/*
  43 * Indirect registers accessor
  44 */
  45u32 tn_smc_rreg(struct radeon_device *rdev, u32 reg)
  46{
  47	unsigned long flags;
  48	u32 r;
  49
  50	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  51	WREG32(TN_SMC_IND_INDEX_0, (reg));
  52	r = RREG32(TN_SMC_IND_DATA_0);
  53	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  54	return r;
  55}
  56
  57void tn_smc_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  58{
  59	unsigned long flags;
  60
  61	spin_lock_irqsave(&rdev->smc_idx_lock, flags);
  62	WREG32(TN_SMC_IND_INDEX_0, (reg));
  63	WREG32(TN_SMC_IND_DATA_0, (v));
  64	spin_unlock_irqrestore(&rdev->smc_idx_lock, flags);
  65}
  66
  67static const u32 tn_rlc_save_restore_register_list[] =
  68{
  69	0x98fc,
  70	0x98f0,
  71	0x9834,
  72	0x9838,
  73	0x9870,
  74	0x9874,
  75	0x8a14,
  76	0x8b24,
  77	0x8bcc,
  78	0x8b10,
  79	0x8c30,
  80	0x8d00,
  81	0x8d04,
  82	0x8c00,
  83	0x8c04,
  84	0x8c10,
  85	0x8c14,
  86	0x8d8c,
  87	0x8cf0,
  88	0x8e38,
  89	0x9508,
  90	0x9688,
  91	0x9608,
  92	0x960c,
  93	0x9610,
  94	0x9614,
  95	0x88c4,
  96	0x8978,
  97	0x88d4,
  98	0x900c,
  99	0x9100,
 100	0x913c,
 101	0x90e8,
 102	0x9354,
 103	0xa008,
 104	0x98f8,
 105	0x9148,
 106	0x914c,
 107	0x3f94,
 108	0x98f4,
 109	0x9b7c,
 110	0x3f8c,
 111	0x8950,
 112	0x8954,
 113	0x8a18,
 114	0x8b28,
 115	0x9144,
 116	0x3f90,
 117	0x915c,
 118	0x9160,
 119	0x9178,
 120	0x917c,
 121	0x9180,
 122	0x918c,
 123	0x9190,
 124	0x9194,
 125	0x9198,
 126	0x919c,
 127	0x91a8,
 128	0x91ac,
 129	0x91b0,
 130	0x91b4,
 131	0x91b8,
 132	0x91c4,
 133	0x91c8,
 134	0x91cc,
 135	0x91d0,
 136	0x91d4,
 137	0x91e0,
 138	0x91e4,
 139	0x91ec,
 140	0x91f0,
 141	0x91f4,
 142	0x9200,
 143	0x9204,
 144	0x929c,
 145	0x8030,
 146	0x9150,
 147	0x9a60,
 148	0x920c,
 149	0x9210,
 150	0x9228,
 151	0x922c,
 152	0x9244,
 153	0x9248,
 154	0x91e8,
 155	0x9294,
 156	0x9208,
 157	0x9224,
 158	0x9240,
 159	0x9220,
 160	0x923c,
 161	0x9258,
 162	0x9744,
 163	0xa200,
 164	0xa204,
 165	0xa208,
 166	0xa20c,
 167	0x8d58,
 168	0x9030,
 169	0x9034,
 170	0x9038,
 171	0x903c,
 172	0x9040,
 173	0x9654,
 174	0x897c,
 175	0xa210,
 176	0xa214,
 177	0x9868,
 178	0xa02c,
 179	0x9664,
 180	0x9698,
 181	0x949c,
 182	0x8e10,
 183	0x8e18,
 184	0x8c50,
 185	0x8c58,
 186	0x8c60,
 187	0x8c68,
 188	0x89b4,
 189	0x9830,
 190	0x802c,
 191};
 192
 193extern bool evergreen_is_display_hung(struct radeon_device *rdev);
 194extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
 195extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
 196extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
 197extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
 198extern void evergreen_mc_program(struct radeon_device *rdev);
 199extern void evergreen_irq_suspend(struct radeon_device *rdev);
 200extern int evergreen_mc_init(struct radeon_device *rdev);
 201extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
 202extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
 203extern void evergreen_program_aspm(struct radeon_device *rdev);
 204extern void sumo_rlc_fini(struct radeon_device *rdev);
 205extern int sumo_rlc_init(struct radeon_device *rdev);
 206extern void evergreen_gpu_pci_config_reset(struct radeon_device *rdev);
 207
 208/* Firmware Names */
 209MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
 210MODULE_FIRMWARE("radeon/BARTS_me.bin");
 211MODULE_FIRMWARE("radeon/BARTS_mc.bin");
 212MODULE_FIRMWARE("radeon/BARTS_smc.bin");
 213MODULE_FIRMWARE("radeon/BTC_rlc.bin");
 214MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
 215MODULE_FIRMWARE("radeon/TURKS_me.bin");
 216MODULE_FIRMWARE("radeon/TURKS_mc.bin");
 217MODULE_FIRMWARE("radeon/TURKS_smc.bin");
 218MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
 219MODULE_FIRMWARE("radeon/CAICOS_me.bin");
 220MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
 221MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
 222MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
 223MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
 224MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
 225MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
 226MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
 227MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
 228MODULE_FIRMWARE("radeon/ARUBA_me.bin");
 229MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
 230
 231
 232static const u32 cayman_golden_registers2[] =
 233{
 234	0x3e5c, 0xffffffff, 0x00000000,
 235	0x3e48, 0xffffffff, 0x00000000,
 236	0x3e4c, 0xffffffff, 0x00000000,
 237	0x3e64, 0xffffffff, 0x00000000,
 238	0x3e50, 0xffffffff, 0x00000000,
 239	0x3e60, 0xffffffff, 0x00000000
 240};
 241
 242static const u32 cayman_golden_registers[] =
 243{
 244	0x5eb4, 0xffffffff, 0x00000002,
 245	0x5e78, 0x8f311ff1, 0x001000f0,
 246	0x3f90, 0xffff0000, 0xff000000,
 247	0x9148, 0xffff0000, 0xff000000,
 248	0x3f94, 0xffff0000, 0xff000000,
 249	0x914c, 0xffff0000, 0xff000000,
 250	0xc78, 0x00000080, 0x00000080,
 251	0xbd4, 0x70073777, 0x00011003,
 252	0xd02c, 0xbfffff1f, 0x08421000,
 253	0xd0b8, 0x73773777, 0x02011003,
 254	0x5bc0, 0x00200000, 0x50100000,
 255	0x98f8, 0x33773777, 0x02011003,
 256	0x98fc, 0xffffffff, 0x76541032,
 257	0x7030, 0x31000311, 0x00000011,
 258	0x2f48, 0x33773777, 0x42010001,
 259	0x6b28, 0x00000010, 0x00000012,
 260	0x7728, 0x00000010, 0x00000012,
 261	0x10328, 0x00000010, 0x00000012,
 262	0x10f28, 0x00000010, 0x00000012,
 263	0x11b28, 0x00000010, 0x00000012,
 264	0x12728, 0x00000010, 0x00000012,
 265	0x240c, 0x000007ff, 0x00000000,
 266	0x8a14, 0xf000001f, 0x00000007,
 267	0x8b24, 0x3fff3fff, 0x00ff0fff,
 268	0x8b10, 0x0000ff0f, 0x00000000,
 269	0x28a4c, 0x07ffffff, 0x06000000,
 270	0x10c, 0x00000001, 0x00010003,
 271	0xa02c, 0xffffffff, 0x0000009b,
 272	0x913c, 0x0000010f, 0x01000100,
 273	0x8c04, 0xf8ff00ff, 0x40600060,
 274	0x28350, 0x00000f01, 0x00000000,
 275	0x9508, 0x3700001f, 0x00000002,
 276	0x960c, 0xffffffff, 0x54763210,
 277	0x88c4, 0x001f3ae3, 0x00000082,
 278	0x88d0, 0xffffffff, 0x0f40df40,
 279	0x88d4, 0x0000001f, 0x00000010,
 280	0x8974, 0xffffffff, 0x00000000
 281};
 282
 283static const u32 dvst_golden_registers2[] =
 284{
 285	0x8f8, 0xffffffff, 0,
 286	0x8fc, 0x00380000, 0,
 287	0x8f8, 0xffffffff, 1,
 288	0x8fc, 0x0e000000, 0
 289};
 290
 291static const u32 dvst_golden_registers[] =
 292{
 293	0x690, 0x3fff3fff, 0x20c00033,
 294	0x918c, 0x0fff0fff, 0x00010006,
 295	0x91a8, 0x0fff0fff, 0x00010006,
 296	0x9150, 0xffffdfff, 0x6e944040,
 297	0x917c, 0x0fff0fff, 0x00030002,
 298	0x9198, 0x0fff0fff, 0x00030002,
 299	0x915c, 0x0fff0fff, 0x00010000,
 300	0x3f90, 0xffff0001, 0xff000000,
 301	0x9178, 0x0fff0fff, 0x00070000,
 302	0x9194, 0x0fff0fff, 0x00070000,
 303	0x9148, 0xffff0001, 0xff000000,
 304	0x9190, 0x0fff0fff, 0x00090008,
 305	0x91ac, 0x0fff0fff, 0x00090008,
 306	0x3f94, 0xffff0000, 0xff000000,
 307	0x914c, 0xffff0000, 0xff000000,
 308	0x929c, 0x00000fff, 0x00000001,
 309	0x55e4, 0xff607fff, 0xfc000100,
 310	0x8a18, 0xff000fff, 0x00000100,
 311	0x8b28, 0xff000fff, 0x00000100,
 312	0x9144, 0xfffc0fff, 0x00000100,
 313	0x6ed8, 0x00010101, 0x00010000,
 314	0x9830, 0xffffffff, 0x00000000,
 315	0x9834, 0xf00fffff, 0x00000400,
 316	0x9838, 0xfffffffe, 0x00000000,
 317	0xd0c0, 0xff000fff, 0x00000100,
 318	0xd02c, 0xbfffff1f, 0x08421000,
 319	0xd0b8, 0x73773777, 0x12010001,
 320	0x5bb0, 0x000000f0, 0x00000070,
 321	0x98f8, 0x73773777, 0x12010001,
 322	0x98fc, 0xffffffff, 0x00000010,
 323	0x9b7c, 0x00ff0000, 0x00fc0000,
 324	0x8030, 0x00001f0f, 0x0000100a,
 325	0x2f48, 0x73773777, 0x12010001,
 326	0x2408, 0x00030000, 0x000c007f,
 327	0x8a14, 0xf000003f, 0x00000007,
 328	0x8b24, 0x3fff3fff, 0x00ff0fff,
 329	0x8b10, 0x0000ff0f, 0x00000000,
 330	0x28a4c, 0x07ffffff, 0x06000000,
 331	0x4d8, 0x00000fff, 0x00000100,
 332	0xa008, 0xffffffff, 0x00010000,
 333	0x913c, 0xffff03ff, 0x01000100,
 334	0x8c00, 0x000000ff, 0x00000003,
 335	0x8c04, 0xf8ff00ff, 0x40600060,
 336	0x8cf0, 0x1fff1fff, 0x08e00410,
 337	0x28350, 0x00000f01, 0x00000000,
 338	0x9508, 0xf700071f, 0x00000002,
 339	0x960c, 0xffffffff, 0x54763210,
 340	0x20ef8, 0x01ff01ff, 0x00000002,
 341	0x20e98, 0xfffffbff, 0x00200000,
 342	0x2015c, 0xffffffff, 0x00000f40,
 343	0x88c4, 0x001f3ae3, 0x00000082,
 344	0x8978, 0x3fffffff, 0x04050140,
 345	0x88d4, 0x0000001f, 0x00000010,
 346	0x8974, 0xffffffff, 0x00000000
 347};
 348
 349static const u32 scrapper_golden_registers[] =
 350{
 351	0x690, 0x3fff3fff, 0x20c00033,
 352	0x918c, 0x0fff0fff, 0x00010006,
 353	0x918c, 0x0fff0fff, 0x00010006,
 354	0x91a8, 0x0fff0fff, 0x00010006,
 355	0x91a8, 0x0fff0fff, 0x00010006,
 356	0x9150, 0xffffdfff, 0x6e944040,
 357	0x9150, 0xffffdfff, 0x6e944040,
 358	0x917c, 0x0fff0fff, 0x00030002,
 359	0x917c, 0x0fff0fff, 0x00030002,
 360	0x9198, 0x0fff0fff, 0x00030002,
 361	0x9198, 0x0fff0fff, 0x00030002,
 362	0x915c, 0x0fff0fff, 0x00010000,
 363	0x915c, 0x0fff0fff, 0x00010000,
 364	0x3f90, 0xffff0001, 0xff000000,
 365	0x3f90, 0xffff0001, 0xff000000,
 366	0x9178, 0x0fff0fff, 0x00070000,
 367	0x9178, 0x0fff0fff, 0x00070000,
 368	0x9194, 0x0fff0fff, 0x00070000,
 369	0x9194, 0x0fff0fff, 0x00070000,
 370	0x9148, 0xffff0001, 0xff000000,
 371	0x9148, 0xffff0001, 0xff000000,
 372	0x9190, 0x0fff0fff, 0x00090008,
 373	0x9190, 0x0fff0fff, 0x00090008,
 374	0x91ac, 0x0fff0fff, 0x00090008,
 375	0x91ac, 0x0fff0fff, 0x00090008,
 376	0x3f94, 0xffff0000, 0xff000000,
 377	0x3f94, 0xffff0000, 0xff000000,
 378	0x914c, 0xffff0000, 0xff000000,
 379	0x914c, 0xffff0000, 0xff000000,
 380	0x929c, 0x00000fff, 0x00000001,
 381	0x929c, 0x00000fff, 0x00000001,
 382	0x55e4, 0xff607fff, 0xfc000100,
 383	0x8a18, 0xff000fff, 0x00000100,
 384	0x8a18, 0xff000fff, 0x00000100,
 385	0x8b28, 0xff000fff, 0x00000100,
 386	0x8b28, 0xff000fff, 0x00000100,
 387	0x9144, 0xfffc0fff, 0x00000100,
 388	0x9144, 0xfffc0fff, 0x00000100,
 389	0x6ed8, 0x00010101, 0x00010000,
 390	0x9830, 0xffffffff, 0x00000000,
 391	0x9830, 0xffffffff, 0x00000000,
 392	0x9834, 0xf00fffff, 0x00000400,
 393	0x9834, 0xf00fffff, 0x00000400,
 394	0x9838, 0xfffffffe, 0x00000000,
 395	0x9838, 0xfffffffe, 0x00000000,
 396	0xd0c0, 0xff000fff, 0x00000100,
 397	0xd02c, 0xbfffff1f, 0x08421000,
 398	0xd02c, 0xbfffff1f, 0x08421000,
 399	0xd0b8, 0x73773777, 0x12010001,
 400	0xd0b8, 0x73773777, 0x12010001,
 401	0x5bb0, 0x000000f0, 0x00000070,
 402	0x98f8, 0x73773777, 0x12010001,
 403	0x98f8, 0x73773777, 0x12010001,
 404	0x98fc, 0xffffffff, 0x00000010,
 405	0x98fc, 0xffffffff, 0x00000010,
 406	0x9b7c, 0x00ff0000, 0x00fc0000,
 407	0x9b7c, 0x00ff0000, 0x00fc0000,
 408	0x8030, 0x00001f0f, 0x0000100a,
 409	0x8030, 0x00001f0f, 0x0000100a,
 410	0x2f48, 0x73773777, 0x12010001,
 411	0x2f48, 0x73773777, 0x12010001,
 412	0x2408, 0x00030000, 0x000c007f,
 413	0x8a14, 0xf000003f, 0x00000007,
 414	0x8a14, 0xf000003f, 0x00000007,
 415	0x8b24, 0x3fff3fff, 0x00ff0fff,
 416	0x8b24, 0x3fff3fff, 0x00ff0fff,
 417	0x8b10, 0x0000ff0f, 0x00000000,
 418	0x8b10, 0x0000ff0f, 0x00000000,
 419	0x28a4c, 0x07ffffff, 0x06000000,
 420	0x28a4c, 0x07ffffff, 0x06000000,
 421	0x4d8, 0x00000fff, 0x00000100,
 422	0x4d8, 0x00000fff, 0x00000100,
 423	0xa008, 0xffffffff, 0x00010000,
 424	0xa008, 0xffffffff, 0x00010000,
 425	0x913c, 0xffff03ff, 0x01000100,
 426	0x913c, 0xffff03ff, 0x01000100,
 427	0x90e8, 0x001fffff, 0x010400c0,
 428	0x8c00, 0x000000ff, 0x00000003,
 429	0x8c00, 0x000000ff, 0x00000003,
 430	0x8c04, 0xf8ff00ff, 0x40600060,
 431	0x8c04, 0xf8ff00ff, 0x40600060,
 432	0x8c30, 0x0000000f, 0x00040005,
 433	0x8cf0, 0x1fff1fff, 0x08e00410,
 434	0x8cf0, 0x1fff1fff, 0x08e00410,
 435	0x900c, 0x00ffffff, 0x0017071f,
 436	0x28350, 0x00000f01, 0x00000000,
 437	0x28350, 0x00000f01, 0x00000000,
 438	0x9508, 0xf700071f, 0x00000002,
 439	0x9508, 0xf700071f, 0x00000002,
 440	0x9688, 0x00300000, 0x0017000f,
 441	0x960c, 0xffffffff, 0x54763210,
 442	0x960c, 0xffffffff, 0x54763210,
 443	0x20ef8, 0x01ff01ff, 0x00000002,
 444	0x20e98, 0xfffffbff, 0x00200000,
 445	0x2015c, 0xffffffff, 0x00000f40,
 446	0x88c4, 0x001f3ae3, 0x00000082,
 447	0x88c4, 0x001f3ae3, 0x00000082,
 448	0x8978, 0x3fffffff, 0x04050140,
 449	0x8978, 0x3fffffff, 0x04050140,
 450	0x88d4, 0x0000001f, 0x00000010,
 451	0x88d4, 0x0000001f, 0x00000010,
 452	0x8974, 0xffffffff, 0x00000000,
 453	0x8974, 0xffffffff, 0x00000000
 454};
 455
 456static void ni_init_golden_registers(struct radeon_device *rdev)
 457{
 458	switch (rdev->family) {
 459	case CHIP_CAYMAN:
 460		radeon_program_register_sequence(rdev,
 461						 cayman_golden_registers,
 462						 (const u32)ARRAY_SIZE(cayman_golden_registers));
 463		radeon_program_register_sequence(rdev,
 464						 cayman_golden_registers2,
 465						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
 466		break;
 467	case CHIP_ARUBA:
 468		if ((rdev->pdev->device == 0x9900) ||
 469		    (rdev->pdev->device == 0x9901) ||
 470		    (rdev->pdev->device == 0x9903) ||
 471		    (rdev->pdev->device == 0x9904) ||
 472		    (rdev->pdev->device == 0x9905) ||
 473		    (rdev->pdev->device == 0x9906) ||
 474		    (rdev->pdev->device == 0x9907) ||
 475		    (rdev->pdev->device == 0x9908) ||
 476		    (rdev->pdev->device == 0x9909) ||
 477		    (rdev->pdev->device == 0x990A) ||
 478		    (rdev->pdev->device == 0x990B) ||
 479		    (rdev->pdev->device == 0x990C) ||
 480		    (rdev->pdev->device == 0x990D) ||
 481		    (rdev->pdev->device == 0x990E) ||
 482		    (rdev->pdev->device == 0x990F) ||
 483		    (rdev->pdev->device == 0x9910) ||
 484		    (rdev->pdev->device == 0x9913) ||
 485		    (rdev->pdev->device == 0x9917) ||
 486		    (rdev->pdev->device == 0x9918)) {
 487			radeon_program_register_sequence(rdev,
 488							 dvst_golden_registers,
 489							 (const u32)ARRAY_SIZE(dvst_golden_registers));
 490			radeon_program_register_sequence(rdev,
 491							 dvst_golden_registers2,
 492							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 493		} else {
 494			radeon_program_register_sequence(rdev,
 495							 scrapper_golden_registers,
 496							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
 497			radeon_program_register_sequence(rdev,
 498							 dvst_golden_registers2,
 499							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
 500		}
 501		break;
 502	default:
 503		break;
 504	}
 505}
 506
 507#define BTC_IO_MC_REGS_SIZE 29
 508
 509static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 510	{0x00000077, 0xff010100},
 511	{0x00000078, 0x00000000},
 512	{0x00000079, 0x00001434},
 513	{0x0000007a, 0xcc08ec08},
 514	{0x0000007b, 0x00040000},
 515	{0x0000007c, 0x000080c0},
 516	{0x0000007d, 0x09000000},
 517	{0x0000007e, 0x00210404},
 518	{0x00000081, 0x08a8e800},
 519	{0x00000082, 0x00030444},
 520	{0x00000083, 0x00000000},
 521	{0x00000085, 0x00000001},
 522	{0x00000086, 0x00000002},
 523	{0x00000087, 0x48490000},
 524	{0x00000088, 0x20244647},
 525	{0x00000089, 0x00000005},
 526	{0x0000008b, 0x66030000},
 527	{0x0000008c, 0x00006603},
 528	{0x0000008d, 0x00000100},
 529	{0x0000008f, 0x00001c0a},
 530	{0x00000090, 0xff000001},
 531	{0x00000094, 0x00101101},
 532	{0x00000095, 0x00000fff},
 533	{0x00000096, 0x00116fff},
 534	{0x00000097, 0x60010000},
 535	{0x00000098, 0x10010000},
 536	{0x00000099, 0x00006000},
 537	{0x0000009a, 0x00001000},
 538	{0x0000009f, 0x00946a00}
 539};
 540
 541static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 542	{0x00000077, 0xff010100},
 543	{0x00000078, 0x00000000},
 544	{0x00000079, 0x00001434},
 545	{0x0000007a, 0xcc08ec08},
 546	{0x0000007b, 0x00040000},
 547	{0x0000007c, 0x000080c0},
 548	{0x0000007d, 0x09000000},
 549	{0x0000007e, 0x00210404},
 550	{0x00000081, 0x08a8e800},
 551	{0x00000082, 0x00030444},
 552	{0x00000083, 0x00000000},
 553	{0x00000085, 0x00000001},
 554	{0x00000086, 0x00000002},
 555	{0x00000087, 0x48490000},
 556	{0x00000088, 0x20244647},
 557	{0x00000089, 0x00000005},
 558	{0x0000008b, 0x66030000},
 559	{0x0000008c, 0x00006603},
 560	{0x0000008d, 0x00000100},
 561	{0x0000008f, 0x00001c0a},
 562	{0x00000090, 0xff000001},
 563	{0x00000094, 0x00101101},
 564	{0x00000095, 0x00000fff},
 565	{0x00000096, 0x00116fff},
 566	{0x00000097, 0x60010000},
 567	{0x00000098, 0x10010000},
 568	{0x00000099, 0x00006000},
 569	{0x0000009a, 0x00001000},
 570	{0x0000009f, 0x00936a00}
 571};
 572
 573static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 574	{0x00000077, 0xff010100},
 575	{0x00000078, 0x00000000},
 576	{0x00000079, 0x00001434},
 577	{0x0000007a, 0xcc08ec08},
 578	{0x0000007b, 0x00040000},
 579	{0x0000007c, 0x000080c0},
 580	{0x0000007d, 0x09000000},
 581	{0x0000007e, 0x00210404},
 582	{0x00000081, 0x08a8e800},
 583	{0x00000082, 0x00030444},
 584	{0x00000083, 0x00000000},
 585	{0x00000085, 0x00000001},
 586	{0x00000086, 0x00000002},
 587	{0x00000087, 0x48490000},
 588	{0x00000088, 0x20244647},
 589	{0x00000089, 0x00000005},
 590	{0x0000008b, 0x66030000},
 591	{0x0000008c, 0x00006603},
 592	{0x0000008d, 0x00000100},
 593	{0x0000008f, 0x00001c0a},
 594	{0x00000090, 0xff000001},
 595	{0x00000094, 0x00101101},
 596	{0x00000095, 0x00000fff},
 597	{0x00000096, 0x00116fff},
 598	{0x00000097, 0x60010000},
 599	{0x00000098, 0x10010000},
 600	{0x00000099, 0x00006000},
 601	{0x0000009a, 0x00001000},
 602	{0x0000009f, 0x00916a00}
 603};
 604
 605static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
 606	{0x00000077, 0xff010100},
 607	{0x00000078, 0x00000000},
 608	{0x00000079, 0x00001434},
 609	{0x0000007a, 0xcc08ec08},
 610	{0x0000007b, 0x00040000},
 611	{0x0000007c, 0x000080c0},
 612	{0x0000007d, 0x09000000},
 613	{0x0000007e, 0x00210404},
 614	{0x00000081, 0x08a8e800},
 615	{0x00000082, 0x00030444},
 616	{0x00000083, 0x00000000},
 617	{0x00000085, 0x00000001},
 618	{0x00000086, 0x00000002},
 619	{0x00000087, 0x48490000},
 620	{0x00000088, 0x20244647},
 621	{0x00000089, 0x00000005},
 622	{0x0000008b, 0x66030000},
 623	{0x0000008c, 0x00006603},
 624	{0x0000008d, 0x00000100},
 625	{0x0000008f, 0x00001c0a},
 626	{0x00000090, 0xff000001},
 627	{0x00000094, 0x00101101},
 628	{0x00000095, 0x00000fff},
 629	{0x00000096, 0x00116fff},
 630	{0x00000097, 0x60010000},
 631	{0x00000098, 0x10010000},
 632	{0x00000099, 0x00006000},
 633	{0x0000009a, 0x00001000},
 634	{0x0000009f, 0x00976b00}
 635};
 636
 637int ni_mc_load_microcode(struct radeon_device *rdev)
 638{
 639	const __be32 *fw_data;
 640	u32 mem_type, running, blackout = 0;
 641	u32 *io_mc_regs;
 642	int i, ucode_size, regs_size;
 643
 644	if (!rdev->mc_fw)
 645		return -EINVAL;
 646
 647	switch (rdev->family) {
 648	case CHIP_BARTS:
 649		io_mc_regs = (u32 *)&barts_io_mc_regs;
 650		ucode_size = BTC_MC_UCODE_SIZE;
 651		regs_size = BTC_IO_MC_REGS_SIZE;
 652		break;
 653	case CHIP_TURKS:
 654		io_mc_regs = (u32 *)&turks_io_mc_regs;
 655		ucode_size = BTC_MC_UCODE_SIZE;
 656		regs_size = BTC_IO_MC_REGS_SIZE;
 657		break;
 658	case CHIP_CAICOS:
 659	default:
 660		io_mc_regs = (u32 *)&caicos_io_mc_regs;
 661		ucode_size = BTC_MC_UCODE_SIZE;
 662		regs_size = BTC_IO_MC_REGS_SIZE;
 663		break;
 664	case CHIP_CAYMAN:
 665		io_mc_regs = (u32 *)&cayman_io_mc_regs;
 666		ucode_size = CAYMAN_MC_UCODE_SIZE;
 667		regs_size = BTC_IO_MC_REGS_SIZE;
 668		break;
 669	}
 670
 671	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
 672	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
 673
 674	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
 675		if (running) {
 676			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
 677			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
 678		}
 679
 680		/* reset the engine and set to writable */
 681		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 682		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
 683
 684		/* load mc io regs */
 685		for (i = 0; i < regs_size; i++) {
 686			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
 687			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
 688		}
 689		/* load the MC ucode */
 690		fw_data = (const __be32 *)rdev->mc_fw->data;
 691		for (i = 0; i < ucode_size; i++)
 692			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
 693
 694		/* put the engine back into the active state */
 695		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
 696		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
 697		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
 698
 699		/* wait for training to complete */
 700		for (i = 0; i < rdev->usec_timeout; i++) {
 701			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
 702				break;
 703			udelay(1);
 704		}
 705
 706		if (running)
 707			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
 708	}
 709
 710	return 0;
 711}
 712
 713int ni_init_microcode(struct radeon_device *rdev)
 714{
 715	const char *chip_name;
 716	const char *rlc_chip_name;
 717	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
 718	size_t smc_req_size = 0;
 719	char fw_name[30];
 720	int err;
 721
 722	DRM_DEBUG("\n");
 723
 724	switch (rdev->family) {
 725	case CHIP_BARTS:
 726		chip_name = "BARTS";
 727		rlc_chip_name = "BTC";
 728		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 729		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 730		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 731		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 732		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
 733		break;
 734	case CHIP_TURKS:
 735		chip_name = "TURKS";
 736		rlc_chip_name = "BTC";
 737		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 738		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 739		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 740		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 741		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
 742		break;
 743	case CHIP_CAICOS:
 744		chip_name = "CAICOS";
 745		rlc_chip_name = "BTC";
 746		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
 747		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
 748		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
 749		mc_req_size = BTC_MC_UCODE_SIZE * 4;
 750		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
 751		break;
 752	case CHIP_CAYMAN:
 753		chip_name = "CAYMAN";
 754		rlc_chip_name = "CAYMAN";
 755		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 756		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 757		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
 758		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
 759		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
 760		break;
 761	case CHIP_ARUBA:
 762		chip_name = "ARUBA";
 763		rlc_chip_name = "ARUBA";
 764		/* pfp/me same size as CAYMAN */
 765		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
 766		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
 767		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
 768		mc_req_size = 0;
 769		break;
 770	default: BUG();
 771	}
 772
 773	DRM_INFO("Loading %s Microcode\n", chip_name);
 774
 775	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
 776	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
 777	if (err)
 778		goto out;
 779	if (rdev->pfp_fw->size != pfp_req_size) {
 780		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 781		       rdev->pfp_fw->size, fw_name);
 782		err = -EINVAL;
 783		goto out;
 784	}
 785
 786	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
 787	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
 788	if (err)
 789		goto out;
 790	if (rdev->me_fw->size != me_req_size) {
 791		pr_err("ni_cp: Bogus length %zu in firmware \"%s\"\n",
 792		       rdev->me_fw->size, fw_name);
 793		err = -EINVAL;
 794	}
 795
 796	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
 797	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
 798	if (err)
 799		goto out;
 800	if (rdev->rlc_fw->size != rlc_req_size) {
 801		pr_err("ni_rlc: Bogus length %zu in firmware \"%s\"\n",
 802		       rdev->rlc_fw->size, fw_name);
 803		err = -EINVAL;
 804	}
 805
 806	/* no MC ucode on TN */
 807	if (!(rdev->flags & RADEON_IS_IGP)) {
 808		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
 809		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
 810		if (err)
 811			goto out;
 812		if (rdev->mc_fw->size != mc_req_size) {
 813			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 814			       rdev->mc_fw->size, fw_name);
 815			err = -EINVAL;
 816		}
 817	}
 818
 819	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
 820		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
 821		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
 822		if (err) {
 823			pr_err("smc: error loading firmware \"%s\"\n", fw_name);
 824			release_firmware(rdev->smc_fw);
 825			rdev->smc_fw = NULL;
 826			err = 0;
 827		} else if (rdev->smc_fw->size != smc_req_size) {
 828			pr_err("ni_mc: Bogus length %zu in firmware \"%s\"\n",
 829			       rdev->mc_fw->size, fw_name);
 830			err = -EINVAL;
 831		}
 832	}
 833
 834out:
 835	if (err) {
 836		if (err != -EINVAL)
 837			pr_err("ni_cp: Failed to load firmware \"%s\"\n",
 838			       fw_name);
 839		release_firmware(rdev->pfp_fw);
 840		rdev->pfp_fw = NULL;
 841		release_firmware(rdev->me_fw);
 842		rdev->me_fw = NULL;
 843		release_firmware(rdev->rlc_fw);
 844		rdev->rlc_fw = NULL;
 845		release_firmware(rdev->mc_fw);
 846		rdev->mc_fw = NULL;
 847	}
 848	return err;
 849}
 850
 851/**
 852 * cayman_get_allowed_info_register - fetch the register for the info ioctl
 853 *
 854 * @rdev: radeon_device pointer
 855 * @reg: register offset in bytes
 856 * @val: register value
 857 *
 858 * Returns 0 for success or -EINVAL for an invalid register
 859 *
 860 */
 861int cayman_get_allowed_info_register(struct radeon_device *rdev,
 862				     u32 reg, u32 *val)
 863{
 864	switch (reg) {
 865	case GRBM_STATUS:
 866	case GRBM_STATUS_SE0:
 867	case GRBM_STATUS_SE1:
 868	case SRBM_STATUS:
 869	case SRBM_STATUS2:
 870	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
 871	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
 872	case UVD_STATUS:
 873		*val = RREG32(reg);
 874		return 0;
 875	default:
 876		return -EINVAL;
 877	}
 878}
 879
 880int tn_get_temp(struct radeon_device *rdev)
 881{
 882	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
 883	int actual_temp = (temp / 8) - 49;
 884
 885	return actual_temp * 1000;
 886}
 887
 888/*
 889 * Core functions
 890 */
 891static void cayman_gpu_init(struct radeon_device *rdev)
 892{
 893	u32 gb_addr_config = 0;
 894	u32 mc_shared_chmap, mc_arb_ramcfg;
 895	u32 cgts_tcc_disable;
 896	u32 sx_debug_1;
 897	u32 smx_dc_ctl0;
 898	u32 cgts_sm_ctrl_reg;
 899	u32 hdp_host_path_cntl;
 900	u32 tmp;
 901	u32 disabled_rb_mask;
 902	int i, j;
 903
 904	switch (rdev->family) {
 905	case CHIP_CAYMAN:
 906		rdev->config.cayman.max_shader_engines = 2;
 907		rdev->config.cayman.max_pipes_per_simd = 4;
 908		rdev->config.cayman.max_tile_pipes = 8;
 909		rdev->config.cayman.max_simds_per_se = 12;
 910		rdev->config.cayman.max_backends_per_se = 4;
 911		rdev->config.cayman.max_texture_channel_caches = 8;
 912		rdev->config.cayman.max_gprs = 256;
 913		rdev->config.cayman.max_threads = 256;
 914		rdev->config.cayman.max_gs_threads = 32;
 915		rdev->config.cayman.max_stack_entries = 512;
 916		rdev->config.cayman.sx_num_of_sets = 8;
 917		rdev->config.cayman.sx_max_export_size = 256;
 918		rdev->config.cayman.sx_max_export_pos_size = 64;
 919		rdev->config.cayman.sx_max_export_smx_size = 192;
 920		rdev->config.cayman.max_hw_contexts = 8;
 921		rdev->config.cayman.sq_num_cf_insts = 2;
 922
 923		rdev->config.cayman.sc_prim_fifo_size = 0x100;
 924		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 925		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
 926		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
 927		break;
 928	case CHIP_ARUBA:
 929	default:
 930		rdev->config.cayman.max_shader_engines = 1;
 931		rdev->config.cayman.max_pipes_per_simd = 4;
 932		rdev->config.cayman.max_tile_pipes = 2;
 933		if ((rdev->pdev->device == 0x9900) ||
 934		    (rdev->pdev->device == 0x9901) ||
 935		    (rdev->pdev->device == 0x9905) ||
 936		    (rdev->pdev->device == 0x9906) ||
 937		    (rdev->pdev->device == 0x9907) ||
 938		    (rdev->pdev->device == 0x9908) ||
 939		    (rdev->pdev->device == 0x9909) ||
 940		    (rdev->pdev->device == 0x990B) ||
 941		    (rdev->pdev->device == 0x990C) ||
 942		    (rdev->pdev->device == 0x990F) ||
 943		    (rdev->pdev->device == 0x9910) ||
 944		    (rdev->pdev->device == 0x9917) ||
 945		    (rdev->pdev->device == 0x9999) ||
 946		    (rdev->pdev->device == 0x999C)) {
 947			rdev->config.cayman.max_simds_per_se = 6;
 948			rdev->config.cayman.max_backends_per_se = 2;
 949			rdev->config.cayman.max_hw_contexts = 8;
 950			rdev->config.cayman.sx_max_export_size = 256;
 951			rdev->config.cayman.sx_max_export_pos_size = 64;
 952			rdev->config.cayman.sx_max_export_smx_size = 192;
 953		} else if ((rdev->pdev->device == 0x9903) ||
 954			   (rdev->pdev->device == 0x9904) ||
 955			   (rdev->pdev->device == 0x990A) ||
 956			   (rdev->pdev->device == 0x990D) ||
 957			   (rdev->pdev->device == 0x990E) ||
 958			   (rdev->pdev->device == 0x9913) ||
 959			   (rdev->pdev->device == 0x9918) ||
 960			   (rdev->pdev->device == 0x999D)) {
 961			rdev->config.cayman.max_simds_per_se = 4;
 962			rdev->config.cayman.max_backends_per_se = 2;
 963			rdev->config.cayman.max_hw_contexts = 8;
 964			rdev->config.cayman.sx_max_export_size = 256;
 965			rdev->config.cayman.sx_max_export_pos_size = 64;
 966			rdev->config.cayman.sx_max_export_smx_size = 192;
 967		} else if ((rdev->pdev->device == 0x9919) ||
 968			   (rdev->pdev->device == 0x9990) ||
 969			   (rdev->pdev->device == 0x9991) ||
 970			   (rdev->pdev->device == 0x9994) ||
 971			   (rdev->pdev->device == 0x9995) ||
 972			   (rdev->pdev->device == 0x9996) ||
 973			   (rdev->pdev->device == 0x999A) ||
 974			   (rdev->pdev->device == 0x99A0)) {
 975			rdev->config.cayman.max_simds_per_se = 3;
 976			rdev->config.cayman.max_backends_per_se = 1;
 977			rdev->config.cayman.max_hw_contexts = 4;
 978			rdev->config.cayman.sx_max_export_size = 128;
 979			rdev->config.cayman.sx_max_export_pos_size = 32;
 980			rdev->config.cayman.sx_max_export_smx_size = 96;
 981		} else {
 982			rdev->config.cayman.max_simds_per_se = 2;
 983			rdev->config.cayman.max_backends_per_se = 1;
 984			rdev->config.cayman.max_hw_contexts = 4;
 985			rdev->config.cayman.sx_max_export_size = 128;
 986			rdev->config.cayman.sx_max_export_pos_size = 32;
 987			rdev->config.cayman.sx_max_export_smx_size = 96;
 988		}
 989		rdev->config.cayman.max_texture_channel_caches = 2;
 990		rdev->config.cayman.max_gprs = 256;
 991		rdev->config.cayman.max_threads = 256;
 992		rdev->config.cayman.max_gs_threads = 32;
 993		rdev->config.cayman.max_stack_entries = 512;
 994		rdev->config.cayman.sx_num_of_sets = 8;
 995		rdev->config.cayman.sq_num_cf_insts = 2;
 996
 997		rdev->config.cayman.sc_prim_fifo_size = 0x40;
 998		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
 999		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
1000		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
1001		break;
1002	}
1003
1004	/* Initialize HDP */
1005	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1006		WREG32((0x2c14 + j), 0x00000000);
1007		WREG32((0x2c18 + j), 0x00000000);
1008		WREG32((0x2c1c + j), 0x00000000);
1009		WREG32((0x2c20 + j), 0x00000000);
1010		WREG32((0x2c24 + j), 0x00000000);
1011	}
1012
1013	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1014	WREG32(SRBM_INT_CNTL, 0x1);
1015	WREG32(SRBM_INT_ACK, 0x1);
1016
1017	evergreen_fix_pci_max_read_req_size(rdev);
1018
1019	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1020	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1021
1022	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
1023	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
1024	if (rdev->config.cayman.mem_row_size_in_kb > 4)
1025		rdev->config.cayman.mem_row_size_in_kb = 4;
1026	/* XXX use MC settings? */
1027	rdev->config.cayman.shader_engine_tile_size = 32;
1028	rdev->config.cayman.num_gpus = 1;
1029	rdev->config.cayman.multi_gpu_tile_size = 64;
1030
1031	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
1032	rdev->config.cayman.num_tile_pipes = (1 << tmp);
1033	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
1034	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
1035	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
1036	rdev->config.cayman.num_shader_engines = tmp + 1;
1037	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
1038	rdev->config.cayman.num_gpus = tmp + 1;
1039	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
1040	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
1041	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
1042	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
1043
1044
1045	/* setup tiling info dword.  gb_addr_config is not adequate since it does
1046	 * not have bank info, so create a custom tiling dword.
1047	 * bits 3:0   num_pipes
1048	 * bits 7:4   num_banks
1049	 * bits 11:8  group_size
1050	 * bits 15:12 row_size
1051	 */
1052	rdev->config.cayman.tile_config = 0;
1053	switch (rdev->config.cayman.num_tile_pipes) {
1054	case 1:
1055	default:
1056		rdev->config.cayman.tile_config |= (0 << 0);
1057		break;
1058	case 2:
1059		rdev->config.cayman.tile_config |= (1 << 0);
1060		break;
1061	case 4:
1062		rdev->config.cayman.tile_config |= (2 << 0);
1063		break;
1064	case 8:
1065		rdev->config.cayman.tile_config |= (3 << 0);
1066		break;
1067	}
1068
1069	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1070	if (rdev->flags & RADEON_IS_IGP)
1071		rdev->config.cayman.tile_config |= 1 << 4;
1072	else {
1073		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1074		case 0: /* four banks */
1075			rdev->config.cayman.tile_config |= 0 << 4;
1076			break;
1077		case 1: /* eight banks */
1078			rdev->config.cayman.tile_config |= 1 << 4;
1079			break;
1080		case 2: /* sixteen banks */
1081		default:
1082			rdev->config.cayman.tile_config |= 2 << 4;
1083			break;
1084		}
1085	}
1086	rdev->config.cayman.tile_config |=
1087		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1088	rdev->config.cayman.tile_config |=
1089		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1090
1091	tmp = 0;
1092	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1093		u32 rb_disable_bitmap;
1094
1095		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1096		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1097		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1098		tmp <<= 4;
1099		tmp |= rb_disable_bitmap;
1100	}
1101	/* enabled rb are just the one not disabled :) */
1102	disabled_rb_mask = tmp;
1103	tmp = 0;
1104	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1105		tmp |= (1 << i);
1106	/* if all the backends are disabled, fix it up here */
1107	if ((disabled_rb_mask & tmp) == tmp) {
1108		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1109			disabled_rb_mask &= ~(1 << i);
1110	}
1111
1112	for (i = 0; i < rdev->config.cayman.max_shader_engines; i++) {
1113		u32 simd_disable_bitmap;
1114
1115		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1116		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1117		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
1118		simd_disable_bitmap |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
1119		tmp <<= 16;
1120		tmp |= simd_disable_bitmap;
1121	}
1122	rdev->config.cayman.active_simds = hweight32(~tmp);
1123
1124	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1125	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1126
1127	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1128	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1129	if (ASIC_IS_DCE6(rdev))
1130		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1131	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1132	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1133	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1134	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1135	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1136	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1137
1138	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1139	    (rdev->flags & RADEON_IS_IGP)) {
1140		if ((disabled_rb_mask & 3) == 2) {
1141			/* RB1 disabled, RB0 enabled */
1142			tmp = 0x00000000;
1143		} else {
1144			/* RB0 disabled, RB1 enabled */
1145			tmp = 0x11111111;
1146		}
1147	} else {
1148		tmp = gb_addr_config & NUM_PIPES_MASK;
1149		tmp = r6xx_remap_render_backend(rdev, tmp,
1150						rdev->config.cayman.max_backends_per_se *
1151						rdev->config.cayman.max_shader_engines,
1152						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1153	}
1154	rdev->config.cayman.backend_map = tmp;
1155	WREG32(GB_BACKEND_MAP, tmp);
1156
1157	cgts_tcc_disable = 0xffff0000;
1158	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1159		cgts_tcc_disable &= ~(1 << (16 + i));
1160	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1161	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1162	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1163	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1164
1165	/* reprogram the shader complex */
1166	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1167	for (i = 0; i < 16; i++)
1168		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1169	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1170
1171	/* set HW defaults for 3D engine */
1172	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1173
1174	sx_debug_1 = RREG32(SX_DEBUG_1);
1175	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1176	WREG32(SX_DEBUG_1, sx_debug_1);
1177
1178	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1179	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1180	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1181	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1182
1183	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1184
1185	/* need to be explicitly zero-ed */
1186	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1187	WREG32(SQ_LSTMP_RING_BASE, 0);
1188	WREG32(SQ_HSTMP_RING_BASE, 0);
1189	WREG32(SQ_ESTMP_RING_BASE, 0);
1190	WREG32(SQ_GSTMP_RING_BASE, 0);
1191	WREG32(SQ_VSTMP_RING_BASE, 0);
1192	WREG32(SQ_PSTMP_RING_BASE, 0);
1193
1194	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1195
1196	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1197					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1198					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1199
1200	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1201				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1202				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1203
1204
1205	WREG32(VGT_NUM_INSTANCES, 1);
1206
1207	WREG32(CP_PERFMON_CNTL, 0);
1208
1209	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1210				  FETCH_FIFO_HIWATER(0x4) |
1211				  DONE_FIFO_HIWATER(0xe0) |
1212				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1213
1214	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1215	WREG32(SQ_CONFIG, (VC_ENABLE |
1216			   EXPORT_SRC_C |
1217			   GFX_PRIO(0) |
1218			   CS1_PRIO(0) |
1219			   CS2_PRIO(1)));
1220	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1221
1222	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1223					  FORCE_EOV_MAX_REZ_CNT(255)));
1224
1225	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1226	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1227
1228	WREG32(VGT_GS_VERTEX_REUSE, 16);
1229	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1230
1231	WREG32(CB_PERF_CTR0_SEL_0, 0);
1232	WREG32(CB_PERF_CTR0_SEL_1, 0);
1233	WREG32(CB_PERF_CTR1_SEL_0, 0);
1234	WREG32(CB_PERF_CTR1_SEL_1, 0);
1235	WREG32(CB_PERF_CTR2_SEL_0, 0);
1236	WREG32(CB_PERF_CTR2_SEL_1, 0);
1237	WREG32(CB_PERF_CTR3_SEL_0, 0);
1238	WREG32(CB_PERF_CTR3_SEL_1, 0);
1239
1240	tmp = RREG32(HDP_MISC_CNTL);
1241	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1242	WREG32(HDP_MISC_CNTL, tmp);
1243
1244	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1245	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1246
1247	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1248
1249	udelay(50);
1250
1251	/* set clockgating golden values on TN */
1252	if (rdev->family == CHIP_ARUBA) {
1253		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1254		tmp &= ~0x00380000;
1255		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1256		tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1257		tmp &= ~0x0e000000;
1258		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1259	}
1260}
1261
1262/*
1263 * GART
1264 */
1265void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1266{
1267	/* flush hdp cache */
1268	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1269
1270	/* bits 0-7 are the VM contexts0-7 */
1271	WREG32(VM_INVALIDATE_REQUEST, 1);
1272}
1273
1274static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1275{
1276	int i, r;
1277
1278	if (rdev->gart.robj == NULL) {
1279		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1280		return -EINVAL;
1281	}
1282	r = radeon_gart_table_vram_pin(rdev);
1283	if (r)
1284		return r;
1285	/* Setup TLB control */
1286	WREG32(MC_VM_MX_L1_TLB_CNTL,
1287	       (0xA << 7) |
1288	       ENABLE_L1_TLB |
1289	       ENABLE_L1_FRAGMENT_PROCESSING |
1290	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1291	       ENABLE_ADVANCED_DRIVER_MODEL |
1292	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1293	/* Setup L2 cache */
1294	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1295	       ENABLE_L2_FRAGMENT_PROCESSING |
1296	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1297	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1298	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1299	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1300	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1301	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1302	       BANK_SELECT(6) |
1303	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1304	/* setup context0 */
1305	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1306	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1307	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1308	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1309			(u32)(rdev->dummy_page.addr >> 12));
1310	WREG32(VM_CONTEXT0_CNTL2, 0);
1311	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1312				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1313
1314	WREG32(0x15D4, 0);
1315	WREG32(0x15D8, 0);
1316	WREG32(0x15DC, 0);
1317
1318	/* empty context1-7 */
1319	/* Assign the pt base to something valid for now; the pts used for
1320	 * the VMs are determined by the application and setup and assigned
1321	 * on the fly in the vm part of radeon_gart.c
1322	 */
1323	for (i = 1; i < 8; i++) {
1324		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1325		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2),
1326			rdev->vm_manager.max_pfn - 1);
1327		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1328		       rdev->vm_manager.saved_table_addr[i]);
1329	}
1330
1331	/* enable context1-7 */
1332	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1333	       (u32)(rdev->dummy_page.addr >> 12));
1334	WREG32(VM_CONTEXT1_CNTL2, 4);
1335	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1336				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
1337				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1338				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1339				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1340				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1341				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1342				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1343				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1344				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1345				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1346				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1347				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1348				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1349
1350	cayman_pcie_gart_tlb_flush(rdev);
1351	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1352		 (unsigned)(rdev->mc.gtt_size >> 20),
1353		 (unsigned long long)rdev->gart.table_addr);
1354	rdev->gart.ready = true;
1355	return 0;
1356}
1357
1358static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1359{
1360	unsigned i;
1361
1362	for (i = 1; i < 8; ++i) {
1363		rdev->vm_manager.saved_table_addr[i] = RREG32(
1364			VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2));
1365	}
1366
1367	/* Disable all tables */
1368	WREG32(VM_CONTEXT0_CNTL, 0);
1369	WREG32(VM_CONTEXT1_CNTL, 0);
1370	/* Setup TLB control */
1371	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1372	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1373	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1374	/* Setup L2 cache */
1375	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1376	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1377	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1378	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1379	WREG32(VM_L2_CNTL2, 0);
1380	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1381	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1382	radeon_gart_table_vram_unpin(rdev);
1383}
1384
1385static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1386{
1387	cayman_pcie_gart_disable(rdev);
1388	radeon_gart_table_vram_free(rdev);
1389	radeon_gart_fini(rdev);
1390}
1391
1392void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1393			      int ring, u32 cp_int_cntl)
1394{
1395	WREG32(SRBM_GFX_CNTL, RINGID(ring));
1396	WREG32(CP_INT_CNTL, cp_int_cntl);
1397}
1398
1399/*
1400 * CP.
1401 */
1402void cayman_fence_ring_emit(struct radeon_device *rdev,
1403			    struct radeon_fence *fence)
1404{
1405	struct radeon_ring *ring = &rdev->ring[fence->ring];
1406	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1407	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1408		PACKET3_SH_ACTION_ENA;
1409
1410	/* flush read cache over gart for this vmid */
1411	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1412	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1413	radeon_ring_write(ring, 0xFFFFFFFF);
1414	radeon_ring_write(ring, 0);
1415	radeon_ring_write(ring, 10); /* poll interval */
1416	/* EVENT_WRITE_EOP - flush caches, send int */
1417	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1418	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1419	radeon_ring_write(ring, lower_32_bits(addr));
1420	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1421	radeon_ring_write(ring, fence->seq);
1422	radeon_ring_write(ring, 0);
1423}
1424
1425void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1426{
1427	struct radeon_ring *ring = &rdev->ring[ib->ring];
1428	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
1429	u32 cp_coher_cntl = PACKET3_FULL_CACHE_ENA | PACKET3_TC_ACTION_ENA |
1430		PACKET3_SH_ACTION_ENA;
1431
1432	/* set to DX10/11 mode */
1433	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1434	radeon_ring_write(ring, 1);
1435
1436	if (ring->rptr_save_reg) {
1437		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1438		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1439		radeon_ring_write(ring, ((ring->rptr_save_reg - 
1440					  PACKET3_SET_CONFIG_REG_START) >> 2));
1441		radeon_ring_write(ring, next_rptr);
1442	}
1443
1444	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1445	radeon_ring_write(ring,
1446#ifdef __BIG_ENDIAN
1447			  (2 << 0) |
1448#endif
1449			  (ib->gpu_addr & 0xFFFFFFFC));
1450	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1451	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
1452
1453	/* flush read cache over gart for this vmid */
1454	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1455	radeon_ring_write(ring, PACKET3_ENGINE_ME | cp_coher_cntl);
1456	radeon_ring_write(ring, 0xFFFFFFFF);
1457	radeon_ring_write(ring, 0);
1458	radeon_ring_write(ring, (vm_id << 24) | 10); /* poll interval */
1459}
1460
1461static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1462{
1463	if (enable)
1464		WREG32(CP_ME_CNTL, 0);
1465	else {
1466		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1467			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1468		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1469		WREG32(SCRATCH_UMSK, 0);
1470		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1471	}
1472}
1473
1474u32 cayman_gfx_get_rptr(struct radeon_device *rdev,
1475			struct radeon_ring *ring)
1476{
1477	u32 rptr;
1478
1479	if (rdev->wb.enabled)
1480		rptr = rdev->wb.wb[ring->rptr_offs/4];
1481	else {
1482		if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1483			rptr = RREG32(CP_RB0_RPTR);
1484		else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1485			rptr = RREG32(CP_RB1_RPTR);
1486		else
1487			rptr = RREG32(CP_RB2_RPTR);
1488	}
1489
1490	return rptr;
1491}
1492
1493u32 cayman_gfx_get_wptr(struct radeon_device *rdev,
1494			struct radeon_ring *ring)
1495{
1496	u32 wptr;
1497
1498	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX)
1499		wptr = RREG32(CP_RB0_WPTR);
1500	else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX)
1501		wptr = RREG32(CP_RB1_WPTR);
1502	else
1503		wptr = RREG32(CP_RB2_WPTR);
1504
1505	return wptr;
1506}
1507
1508void cayman_gfx_set_wptr(struct radeon_device *rdev,
1509			 struct radeon_ring *ring)
1510{
1511	if (ring->idx == RADEON_RING_TYPE_GFX_INDEX) {
1512		WREG32(CP_RB0_WPTR, ring->wptr);
1513		(void)RREG32(CP_RB0_WPTR);
1514	} else if (ring->idx == CAYMAN_RING_TYPE_CP1_INDEX) {
1515		WREG32(CP_RB1_WPTR, ring->wptr);
1516		(void)RREG32(CP_RB1_WPTR);
1517	} else {
1518		WREG32(CP_RB2_WPTR, ring->wptr);
1519		(void)RREG32(CP_RB2_WPTR);
1520	}
1521}
1522
1523static int cayman_cp_load_microcode(struct radeon_device *rdev)
1524{
1525	const __be32 *fw_data;
1526	int i;
1527
1528	if (!rdev->me_fw || !rdev->pfp_fw)
1529		return -EINVAL;
1530
1531	cayman_cp_enable(rdev, false);
1532
1533	fw_data = (const __be32 *)rdev->pfp_fw->data;
1534	WREG32(CP_PFP_UCODE_ADDR, 0);
1535	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1536		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1537	WREG32(CP_PFP_UCODE_ADDR, 0);
1538
1539	fw_data = (const __be32 *)rdev->me_fw->data;
1540	WREG32(CP_ME_RAM_WADDR, 0);
1541	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1542		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1543
1544	WREG32(CP_PFP_UCODE_ADDR, 0);
1545	WREG32(CP_ME_RAM_WADDR, 0);
1546	WREG32(CP_ME_RAM_RADDR, 0);
1547	return 0;
1548}
1549
1550static int cayman_cp_start(struct radeon_device *rdev)
1551{
1552	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1553	int r, i;
1554
1555	r = radeon_ring_lock(rdev, ring, 7);
1556	if (r) {
1557		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1558		return r;
1559	}
1560	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1561	radeon_ring_write(ring, 0x1);
1562	radeon_ring_write(ring, 0x0);
1563	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1564	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1565	radeon_ring_write(ring, 0);
1566	radeon_ring_write(ring, 0);
1567	radeon_ring_unlock_commit(rdev, ring, false);
1568
1569	cayman_cp_enable(rdev, true);
1570
1571	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1572	if (r) {
1573		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1574		return r;
1575	}
1576
1577	/* setup clear context state */
1578	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1579	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1580
1581	for (i = 0; i < cayman_default_size; i++)
1582		radeon_ring_write(ring, cayman_default_state[i]);
1583
1584	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1585	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1586
1587	/* set clear context state */
1588	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1589	radeon_ring_write(ring, 0);
1590
1591	/* SQ_VTX_BASE_VTX_LOC */
1592	radeon_ring_write(ring, 0xc0026f00);
1593	radeon_ring_write(ring, 0x00000000);
1594	radeon_ring_write(ring, 0x00000000);
1595	radeon_ring_write(ring, 0x00000000);
1596
1597	/* Clear consts */
1598	radeon_ring_write(ring, 0xc0036f00);
1599	radeon_ring_write(ring, 0x00000bc4);
1600	radeon_ring_write(ring, 0xffffffff);
1601	radeon_ring_write(ring, 0xffffffff);
1602	radeon_ring_write(ring, 0xffffffff);
1603
1604	radeon_ring_write(ring, 0xc0026900);
1605	radeon_ring_write(ring, 0x00000316);
1606	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1607	radeon_ring_write(ring, 0x00000010); /*  */
1608
1609	radeon_ring_unlock_commit(rdev, ring, false);
1610
1611	/* XXX init other rings */
1612
1613	return 0;
1614}
1615
1616static void cayman_cp_fini(struct radeon_device *rdev)
1617{
1618	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1619	cayman_cp_enable(rdev, false);
1620	radeon_ring_fini(rdev, ring);
1621	radeon_scratch_free(rdev, ring->rptr_save_reg);
1622}
1623
1624static int cayman_cp_resume(struct radeon_device *rdev)
1625{
1626	static const int ridx[] = {
1627		RADEON_RING_TYPE_GFX_INDEX,
1628		CAYMAN_RING_TYPE_CP1_INDEX,
1629		CAYMAN_RING_TYPE_CP2_INDEX
1630	};
1631	static const unsigned cp_rb_cntl[] = {
1632		CP_RB0_CNTL,
1633		CP_RB1_CNTL,
1634		CP_RB2_CNTL,
1635	};
1636	static const unsigned cp_rb_rptr_addr[] = {
1637		CP_RB0_RPTR_ADDR,
1638		CP_RB1_RPTR_ADDR,
1639		CP_RB2_RPTR_ADDR
1640	};
1641	static const unsigned cp_rb_rptr_addr_hi[] = {
1642		CP_RB0_RPTR_ADDR_HI,
1643		CP_RB1_RPTR_ADDR_HI,
1644		CP_RB2_RPTR_ADDR_HI
1645	};
1646	static const unsigned cp_rb_base[] = {
1647		CP_RB0_BASE,
1648		CP_RB1_BASE,
1649		CP_RB2_BASE
1650	};
1651	static const unsigned cp_rb_rptr[] = {
1652		CP_RB0_RPTR,
1653		CP_RB1_RPTR,
1654		CP_RB2_RPTR
1655	};
1656	static const unsigned cp_rb_wptr[] = {
1657		CP_RB0_WPTR,
1658		CP_RB1_WPTR,
1659		CP_RB2_WPTR
1660	};
1661	struct radeon_ring *ring;
1662	int i, r;
1663
1664	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1665	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1666				 SOFT_RESET_PA |
1667				 SOFT_RESET_SH |
1668				 SOFT_RESET_VGT |
1669				 SOFT_RESET_SPI |
1670				 SOFT_RESET_SX));
1671	RREG32(GRBM_SOFT_RESET);
1672	mdelay(15);
1673	WREG32(GRBM_SOFT_RESET, 0);
1674	RREG32(GRBM_SOFT_RESET);
1675
1676	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1677	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1678
1679	/* Set the write pointer delay */
1680	WREG32(CP_RB_WPTR_DELAY, 0);
1681
1682	WREG32(CP_DEBUG, (1 << 27));
1683
1684	/* set the wb address whether it's enabled or not */
1685	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1686	WREG32(SCRATCH_UMSK, 0xff);
1687
1688	for (i = 0; i < 3; ++i) {
1689		uint32_t rb_cntl;
1690		uint64_t addr;
1691
1692		/* Set ring buffer size */
1693		ring = &rdev->ring[ridx[i]];
1694		rb_cntl = order_base_2(ring->ring_size / 8);
1695		rb_cntl |= order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8;
1696#ifdef __BIG_ENDIAN
1697		rb_cntl |= BUF_SWAP_32BIT;
1698#endif
1699		WREG32(cp_rb_cntl[i], rb_cntl);
1700
1701		/* set the wb address whether it's enabled or not */
1702		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1703		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1704		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1705	}
1706
1707	/* set the rb base addr, this causes an internal reset of ALL rings */
1708	for (i = 0; i < 3; ++i) {
1709		ring = &rdev->ring[ridx[i]];
1710		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1711	}
1712
1713	for (i = 0; i < 3; ++i) {
1714		/* Initialize the ring buffer's read and write pointers */
1715		ring = &rdev->ring[ridx[i]];
1716		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1717
1718		ring->wptr = 0;
1719		WREG32(cp_rb_rptr[i], 0);
1720		WREG32(cp_rb_wptr[i], ring->wptr);
1721
1722		mdelay(1);
1723		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1724	}
1725
1726	/* start the rings */
1727	cayman_cp_start(rdev);
1728	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1729	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1730	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1731	/* this only test cp0 */
1732	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1733	if (r) {
1734		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1735		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1736		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1737		return r;
1738	}
1739
1740	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
1741		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1742
1743	return 0;
1744}
1745
1746u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1747{
1748	u32 reset_mask = 0;
1749	u32 tmp;
1750
1751	/* GRBM_STATUS */
1752	tmp = RREG32(GRBM_STATUS);
1753	if (tmp & (PA_BUSY | SC_BUSY |
1754		   SH_BUSY | SX_BUSY |
1755		   TA_BUSY | VGT_BUSY |
1756		   DB_BUSY | CB_BUSY |
1757		   GDS_BUSY | SPI_BUSY |
1758		   IA_BUSY | IA_BUSY_NO_DMA))
1759		reset_mask |= RADEON_RESET_GFX;
1760
1761	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1762		   CP_BUSY | CP_COHERENCY_BUSY))
1763		reset_mask |= RADEON_RESET_CP;
1764
1765	if (tmp & GRBM_EE_BUSY)
1766		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1767
1768	/* DMA_STATUS_REG 0 */
1769	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1770	if (!(tmp & DMA_IDLE))
1771		reset_mask |= RADEON_RESET_DMA;
1772
1773	/* DMA_STATUS_REG 1 */
1774	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1775	if (!(tmp & DMA_IDLE))
1776		reset_mask |= RADEON_RESET_DMA1;
1777
1778	/* SRBM_STATUS2 */
1779	tmp = RREG32(SRBM_STATUS2);
1780	if (tmp & DMA_BUSY)
1781		reset_mask |= RADEON_RESET_DMA;
1782
1783	if (tmp & DMA1_BUSY)
1784		reset_mask |= RADEON_RESET_DMA1;
1785
1786	/* SRBM_STATUS */
1787	tmp = RREG32(SRBM_STATUS);
1788	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1789		reset_mask |= RADEON_RESET_RLC;
1790
1791	if (tmp & IH_BUSY)
1792		reset_mask |= RADEON_RESET_IH;
1793
1794	if (tmp & SEM_BUSY)
1795		reset_mask |= RADEON_RESET_SEM;
1796
1797	if (tmp & GRBM_RQ_PENDING)
1798		reset_mask |= RADEON_RESET_GRBM;
1799
1800	if (tmp & VMC_BUSY)
1801		reset_mask |= RADEON_RESET_VMC;
1802
1803	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1804		   MCC_BUSY | MCD_BUSY))
1805		reset_mask |= RADEON_RESET_MC;
1806
1807	if (evergreen_is_display_hung(rdev))
1808		reset_mask |= RADEON_RESET_DISPLAY;
1809
1810	/* VM_L2_STATUS */
1811	tmp = RREG32(VM_L2_STATUS);
1812	if (tmp & L2_BUSY)
1813		reset_mask |= RADEON_RESET_VMC;
1814
1815	/* Skip MC reset as it's mostly likely not hung, just busy */
1816	if (reset_mask & RADEON_RESET_MC) {
1817		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1818		reset_mask &= ~RADEON_RESET_MC;
1819	}
1820
1821	return reset_mask;
1822}
1823
1824static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1825{
1826	struct evergreen_mc_save save;
1827	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1828	u32 tmp;
1829
1830	if (reset_mask == 0)
1831		return;
1832
1833	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1834
1835	evergreen_print_gpu_status_regs(rdev);
1836	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1837		 RREG32(0x14F8));
1838	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1839		 RREG32(0x14D8));
1840	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1841		 RREG32(0x14FC));
1842	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1843		 RREG32(0x14DC));
1844
1845	/* Disable CP parsing/prefetching */
1846	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1847
1848	if (reset_mask & RADEON_RESET_DMA) {
1849		/* dma0 */
1850		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1851		tmp &= ~DMA_RB_ENABLE;
1852		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1853	}
1854
1855	if (reset_mask & RADEON_RESET_DMA1) {
1856		/* dma1 */
1857		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1858		tmp &= ~DMA_RB_ENABLE;
1859		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1860	}
1861
1862	udelay(50);
1863
1864	evergreen_mc_stop(rdev, &save);
1865	if (evergreen_mc_wait_for_idle(rdev)) {
1866		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1867	}
1868
1869	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1870		grbm_soft_reset = SOFT_RESET_CB |
1871			SOFT_RESET_DB |
1872			SOFT_RESET_GDS |
1873			SOFT_RESET_PA |
1874			SOFT_RESET_SC |
1875			SOFT_RESET_SPI |
1876			SOFT_RESET_SH |
1877			SOFT_RESET_SX |
1878			SOFT_RESET_TC |
1879			SOFT_RESET_TA |
1880			SOFT_RESET_VGT |
1881			SOFT_RESET_IA;
1882	}
1883
1884	if (reset_mask & RADEON_RESET_CP) {
1885		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1886
1887		srbm_soft_reset |= SOFT_RESET_GRBM;
1888	}
1889
1890	if (reset_mask & RADEON_RESET_DMA)
1891		srbm_soft_reset |= SOFT_RESET_DMA;
1892
1893	if (reset_mask & RADEON_RESET_DMA1)
1894		srbm_soft_reset |= SOFT_RESET_DMA1;
1895
1896	if (reset_mask & RADEON_RESET_DISPLAY)
1897		srbm_soft_reset |= SOFT_RESET_DC;
1898
1899	if (reset_mask & RADEON_RESET_RLC)
1900		srbm_soft_reset |= SOFT_RESET_RLC;
1901
1902	if (reset_mask & RADEON_RESET_SEM)
1903		srbm_soft_reset |= SOFT_RESET_SEM;
1904
1905	if (reset_mask & RADEON_RESET_IH)
1906		srbm_soft_reset |= SOFT_RESET_IH;
1907
1908	if (reset_mask & RADEON_RESET_GRBM)
1909		srbm_soft_reset |= SOFT_RESET_GRBM;
1910
1911	if (reset_mask & RADEON_RESET_VMC)
1912		srbm_soft_reset |= SOFT_RESET_VMC;
1913
1914	if (!(rdev->flags & RADEON_IS_IGP)) {
1915		if (reset_mask & RADEON_RESET_MC)
1916			srbm_soft_reset |= SOFT_RESET_MC;
1917	}
1918
1919	if (grbm_soft_reset) {
1920		tmp = RREG32(GRBM_SOFT_RESET);
1921		tmp |= grbm_soft_reset;
1922		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1923		WREG32(GRBM_SOFT_RESET, tmp);
1924		tmp = RREG32(GRBM_SOFT_RESET);
1925
1926		udelay(50);
1927
1928		tmp &= ~grbm_soft_reset;
1929		WREG32(GRBM_SOFT_RESET, tmp);
1930		tmp = RREG32(GRBM_SOFT_RESET);
1931	}
1932
1933	if (srbm_soft_reset) {
1934		tmp = RREG32(SRBM_SOFT_RESET);
1935		tmp |= srbm_soft_reset;
1936		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1937		WREG32(SRBM_SOFT_RESET, tmp);
1938		tmp = RREG32(SRBM_SOFT_RESET);
1939
1940		udelay(50);
1941
1942		tmp &= ~srbm_soft_reset;
1943		WREG32(SRBM_SOFT_RESET, tmp);
1944		tmp = RREG32(SRBM_SOFT_RESET);
1945	}
1946
1947	/* Wait a little for things to settle down */
1948	udelay(50);
1949
1950	evergreen_mc_resume(rdev, &save);
1951	udelay(50);
1952
1953	evergreen_print_gpu_status_regs(rdev);
1954}
1955
1956int cayman_asic_reset(struct radeon_device *rdev, bool hard)
1957{
1958	u32 reset_mask;
1959
1960	if (hard) {
1961		evergreen_gpu_pci_config_reset(rdev);
1962		return 0;
1963	}
1964
1965	reset_mask = cayman_gpu_check_soft_reset(rdev);
1966
1967	if (reset_mask)
1968		r600_set_bios_scratch_engine_hung(rdev, true);
1969
1970	cayman_gpu_soft_reset(rdev, reset_mask);
1971
1972	reset_mask = cayman_gpu_check_soft_reset(rdev);
1973
1974	if (reset_mask)
1975		evergreen_gpu_pci_config_reset(rdev);
1976
1977	r600_set_bios_scratch_engine_hung(rdev, false);
1978
1979	return 0;
1980}
1981
1982/**
1983 * cayman_gfx_is_lockup - Check if the GFX engine is locked up
1984 *
1985 * @rdev: radeon_device pointer
1986 * @ring: radeon_ring structure holding ring information
1987 *
1988 * Check if the GFX engine is locked up.
1989 * Returns true if the engine appears to be locked up, false if not.
1990 */
1991bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1992{
1993	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
1994
1995	if (!(reset_mask & (RADEON_RESET_GFX |
1996			    RADEON_RESET_COMPUTE |
1997			    RADEON_RESET_CP))) {
1998		radeon_ring_lockup_update(rdev, ring);
1999		return false;
2000	}
2001	return radeon_ring_test_lockup(rdev, ring);
2002}
2003
2004static void cayman_uvd_init(struct radeon_device *rdev)
2005{
2006	int r;
2007
2008	if (!rdev->has_uvd)
2009		return;
2010
2011	r = radeon_uvd_init(rdev);
2012	if (r) {
2013		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
2014		/*
2015		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
2016		 * to early fails uvd_v2_2_resume() and thus nothing happens
2017		 * there. So it is pointless to try to go through that code
2018		 * hence why we disable uvd here.
2019		 */
2020		rdev->has_uvd = false;
2021		return;
2022	}
2023	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
2024	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
2025}
2026
2027static void cayman_uvd_start(struct radeon_device *rdev)
2028{
2029	int r;
2030
2031	if (!rdev->has_uvd)
2032		return;
2033
2034	r = uvd_v2_2_resume(rdev);
2035	if (r) {
2036		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
2037		goto error;
2038	}
2039	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
2040	if (r) {
2041		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
2042		goto error;
2043	}
2044	return;
2045
2046error:
2047	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2048}
2049
2050static void cayman_uvd_resume(struct radeon_device *rdev)
2051{
2052	struct radeon_ring *ring;
2053	int r;
2054
2055	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
2056		return;
2057
2058	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2059	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
2060	if (r) {
2061		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
2062		return;
2063	}
2064	r = uvd_v1_0_init(rdev);
2065	if (r) {
2066		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
2067		return;
2068	}
2069}
2070
2071static void cayman_vce_init(struct radeon_device *rdev)
2072{
2073	int r;
2074
2075	/* Only set for CHIP_ARUBA */
2076	if (!rdev->has_vce)
2077		return;
2078
2079	r = radeon_vce_init(rdev);
2080	if (r) {
2081		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
2082		/*
2083		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
2084		 * to early fails cayman_vce_start() and thus nothing happens
2085		 * there. So it is pointless to try to go through that code
2086		 * hence why we disable vce here.
2087		 */
2088		rdev->has_vce = false;
2089		return;
2090	}
2091	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
2092	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
2093	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
2094	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
2095}
2096
2097static void cayman_vce_start(struct radeon_device *rdev)
2098{
2099	int r;
2100
2101	if (!rdev->has_vce)
2102		return;
2103
2104	r = radeon_vce_resume(rdev);
2105	if (r) {
2106		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2107		goto error;
2108	}
2109	r = vce_v1_0_resume(rdev);
2110	if (r) {
2111		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
2112		goto error;
2113	}
2114	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
2115	if (r) {
2116		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
2117		goto error;
2118	}
2119	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
2120	if (r) {
2121		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
2122		goto error;
2123	}
2124	return;
2125
2126error:
2127	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
2128	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
2129}
2130
2131static void cayman_vce_resume(struct radeon_device *rdev)
2132{
2133	struct radeon_ring *ring;
2134	int r;
2135
2136	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
2137		return;
2138
2139	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
2140	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2141	if (r) {
2142		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2143		return;
2144	}
2145	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
2146	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, 0x0);
2147	if (r) {
2148		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
2149		return;
2150	}
2151	r = vce_v1_0_init(rdev);
2152	if (r) {
2153		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
2154		return;
2155	}
2156}
2157
2158static int cayman_startup(struct radeon_device *rdev)
2159{
2160	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2161	int r;
2162
2163	/* enable pcie gen2 link */
2164	evergreen_pcie_gen2_enable(rdev);
2165	/* enable aspm */
2166	evergreen_program_aspm(rdev);
2167
2168	/* scratch needs to be initialized before MC */
2169	r = r600_vram_scratch_init(rdev);
2170	if (r)
2171		return r;
2172
2173	evergreen_mc_program(rdev);
2174
2175	if (!(rdev->flags & RADEON_IS_IGP) && !rdev->pm.dpm_enabled) {
2176		r = ni_mc_load_microcode(rdev);
2177		if (r) {
2178			DRM_ERROR("Failed to load MC firmware!\n");
2179			return r;
2180		}
2181	}
2182
2183	r = cayman_pcie_gart_enable(rdev);
2184	if (r)
2185		return r;
2186	cayman_gpu_init(rdev);
2187
2188	/* allocate rlc buffers */
2189	if (rdev->flags & RADEON_IS_IGP) {
2190		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2191		rdev->rlc.reg_list_size =
2192			(u32)ARRAY_SIZE(tn_rlc_save_restore_register_list);
2193		rdev->rlc.cs_data = cayman_cs_data;
2194		r = sumo_rlc_init(rdev);
2195		if (r) {
2196			DRM_ERROR("Failed to init rlc BOs!\n");
2197			return r;
2198		}
2199	}
2200
2201	/* allocate wb buffer */
2202	r = radeon_wb_init(rdev);
2203	if (r)
2204		return r;
2205
2206	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2207	if (r) {
2208		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2209		return r;
2210	}
2211
2212	cayman_uvd_start(rdev);
2213	cayman_vce_start(rdev);
2214
2215	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2216	if (r) {
2217		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2218		return r;
2219	}
2220
2221	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2222	if (r) {
2223		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2224		return r;
2225	}
2226
2227	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2228	if (r) {
2229		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2230		return r;
2231	}
2232
2233	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2234	if (r) {
2235		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2236		return r;
2237	}
2238
2239	/* Enable IRQ */
2240	if (!rdev->irq.installed) {
2241		r = radeon_irq_kms_init(rdev);
2242		if (r)
2243			return r;
2244	}
2245
2246	r = r600_irq_init(rdev);
2247	if (r) {
2248		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2249		radeon_irq_kms_fini(rdev);
2250		return r;
2251	}
2252	evergreen_irq_set(rdev);
2253
2254	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2255			     RADEON_CP_PACKET2);
2256	if (r)
2257		return r;
2258
2259	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2260	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2261			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2262	if (r)
2263		return r;
2264
2265	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2266	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2267			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2268	if (r)
2269		return r;
2270
2271	r = cayman_cp_load_microcode(rdev);
2272	if (r)
2273		return r;
2274	r = cayman_cp_resume(rdev);
2275	if (r)
2276		return r;
2277
2278	r = cayman_dma_resume(rdev);
2279	if (r)
2280		return r;
2281
2282	cayman_uvd_resume(rdev);
2283	cayman_vce_resume(rdev);
2284
2285	r = radeon_ib_pool_init(rdev);
2286	if (r) {
2287		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2288		return r;
2289	}
2290
2291	r = radeon_vm_manager_init(rdev);
2292	if (r) {
2293		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2294		return r;
2295	}
2296
2297	r = radeon_audio_init(rdev);
2298	if (r)
2299		return r;
2300
2301	return 0;
2302}
2303
2304int cayman_resume(struct radeon_device *rdev)
2305{
2306	int r;
2307
2308	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2309	 * posting will perform necessary task to bring back GPU into good
2310	 * shape.
2311	 */
2312	/* post card */
2313	atom_asic_init(rdev->mode_info.atom_context);
2314
2315	/* init golden registers */
2316	ni_init_golden_registers(rdev);
2317
2318	if (rdev->pm.pm_method == PM_METHOD_DPM)
2319		radeon_pm_resume(rdev);
2320
2321	rdev->accel_working = true;
2322	r = cayman_startup(rdev);
2323	if (r) {
2324		DRM_ERROR("cayman startup failed on resume\n");
2325		rdev->accel_working = false;
2326		return r;
2327	}
2328	return r;
2329}
2330
2331int cayman_suspend(struct radeon_device *rdev)
2332{
2333	radeon_pm_suspend(rdev);
2334	radeon_audio_fini(rdev);
2335	radeon_vm_manager_fini(rdev);
2336	cayman_cp_enable(rdev, false);
2337	cayman_dma_stop(rdev);
2338	if (rdev->has_uvd) {
 
2339		uvd_v1_0_fini(rdev);
2340		radeon_uvd_suspend(rdev);
2341	}
2342	evergreen_irq_suspend(rdev);
2343	radeon_wb_disable(rdev);
2344	cayman_pcie_gart_disable(rdev);
2345	return 0;
2346}
2347
2348/* Plan is to move initialization in that function and use
2349 * helper function so that radeon_device_init pretty much
2350 * do nothing more than calling asic specific function. This
2351 * should also allow to remove a bunch of callback function
2352 * like vram_info.
2353 */
2354int cayman_init(struct radeon_device *rdev)
2355{
2356	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2357	int r;
2358
2359	/* Read BIOS */
2360	if (!radeon_get_bios(rdev)) {
2361		if (ASIC_IS_AVIVO(rdev))
2362			return -EINVAL;
2363	}
2364	/* Must be an ATOMBIOS */
2365	if (!rdev->is_atom_bios) {
2366		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2367		return -EINVAL;
2368	}
2369	r = radeon_atombios_init(rdev);
2370	if (r)
2371		return r;
2372
2373	/* Post card if necessary */
2374	if (!radeon_card_posted(rdev)) {
2375		if (!rdev->bios) {
2376			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2377			return -EINVAL;
2378		}
2379		DRM_INFO("GPU not posted. posting now...\n");
2380		atom_asic_init(rdev->mode_info.atom_context);
2381	}
2382	/* init golden registers */
2383	ni_init_golden_registers(rdev);
2384	/* Initialize scratch registers */
2385	r600_scratch_init(rdev);
2386	/* Initialize surface registers */
2387	radeon_surface_init(rdev);
2388	/* Initialize clocks */
2389	radeon_get_clock_info(rdev->ddev);
2390	/* Fence driver */
2391	r = radeon_fence_driver_init(rdev);
2392	if (r)
2393		return r;
2394	/* initialize memory controller */
2395	r = evergreen_mc_init(rdev);
2396	if (r)
2397		return r;
2398	/* Memory manager */
2399	r = radeon_bo_init(rdev);
2400	if (r)
2401		return r;
2402
2403	if (rdev->flags & RADEON_IS_IGP) {
2404		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2405			r = ni_init_microcode(rdev);
2406			if (r) {
2407				DRM_ERROR("Failed to load firmware!\n");
2408				return r;
2409			}
2410		}
2411	} else {
2412		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2413			r = ni_init_microcode(rdev);
2414			if (r) {
2415				DRM_ERROR("Failed to load firmware!\n");
2416				return r;
2417			}
2418		}
2419	}
2420
2421	/* Initialize power management */
2422	radeon_pm_init(rdev);
2423
2424	ring->ring_obj = NULL;
2425	r600_ring_init(rdev, ring, 1024 * 1024);
2426
2427	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2428	ring->ring_obj = NULL;
2429	r600_ring_init(rdev, ring, 64 * 1024);
2430
2431	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2432	ring->ring_obj = NULL;
2433	r600_ring_init(rdev, ring, 64 * 1024);
2434
2435	cayman_uvd_init(rdev);
2436	cayman_vce_init(rdev);
2437
2438	rdev->ih.ring_obj = NULL;
2439	r600_ih_ring_init(rdev, 64 * 1024);
2440
2441	r = r600_pcie_gart_init(rdev);
2442	if (r)
2443		return r;
2444
2445	rdev->accel_working = true;
2446	r = cayman_startup(rdev);
2447	if (r) {
2448		dev_err(rdev->dev, "disabling GPU acceleration\n");
2449		cayman_cp_fini(rdev);
2450		cayman_dma_fini(rdev);
2451		r600_irq_fini(rdev);
2452		if (rdev->flags & RADEON_IS_IGP)
2453			sumo_rlc_fini(rdev);
2454		radeon_wb_fini(rdev);
2455		radeon_ib_pool_fini(rdev);
2456		radeon_vm_manager_fini(rdev);
2457		radeon_irq_kms_fini(rdev);
2458		cayman_pcie_gart_fini(rdev);
2459		rdev->accel_working = false;
2460	}
2461
2462	/* Don't start up if the MC ucode is missing.
2463	 * The default clocks and voltages before the MC ucode
2464	 * is loaded are not suffient for advanced operations.
2465	 *
2466	 * We can skip this check for TN, because there is no MC
2467	 * ucode.
2468	 */
2469	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2470		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2471		return -EINVAL;
2472	}
2473
2474	return 0;
2475}
2476
2477void cayman_fini(struct radeon_device *rdev)
2478{
2479	radeon_pm_fini(rdev);
2480	cayman_cp_fini(rdev);
2481	cayman_dma_fini(rdev);
2482	r600_irq_fini(rdev);
2483	if (rdev->flags & RADEON_IS_IGP)
2484		sumo_rlc_fini(rdev);
2485	radeon_wb_fini(rdev);
2486	radeon_vm_manager_fini(rdev);
2487	radeon_ib_pool_fini(rdev);
2488	radeon_irq_kms_fini(rdev);
2489	uvd_v1_0_fini(rdev);
2490	radeon_uvd_fini(rdev);
2491	if (rdev->has_vce)
2492		radeon_vce_fini(rdev);
2493	cayman_pcie_gart_fini(rdev);
2494	r600_vram_scratch_fini(rdev);
2495	radeon_gem_fini(rdev);
2496	radeon_fence_driver_fini(rdev);
2497	radeon_bo_fini(rdev);
2498	radeon_atombios_fini(rdev);
2499	kfree(rdev->bios);
2500	rdev->bios = NULL;
2501}
2502
2503/*
2504 * vm
2505 */
2506int cayman_vm_init(struct radeon_device *rdev)
2507{
2508	/* number of VMs */
2509	rdev->vm_manager.nvm = 8;
2510	/* base offset of vram pages */
2511	if (rdev->flags & RADEON_IS_IGP) {
2512		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2513		tmp <<= 22;
2514		rdev->vm_manager.vram_base_offset = tmp;
2515	} else
2516		rdev->vm_manager.vram_base_offset = 0;
2517	return 0;
2518}
2519
2520void cayman_vm_fini(struct radeon_device *rdev)
2521{
2522}
2523
2524/**
2525 * cayman_vm_decode_fault - print human readable fault info
2526 *
2527 * @rdev: radeon_device pointer
2528 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2529 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2530 *
2531 * Print human readable fault information (cayman/TN).
2532 */
2533void cayman_vm_decode_fault(struct radeon_device *rdev,
2534			    u32 status, u32 addr)
2535{
2536	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2537	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2538	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2539	char *block;
2540
2541	switch (mc_id) {
2542	case 32:
2543	case 16:
2544	case 96:
2545	case 80:
2546	case 160:
2547	case 144:
2548	case 224:
2549	case 208:
2550		block = "CB";
2551		break;
2552	case 33:
2553	case 17:
2554	case 97:
2555	case 81:
2556	case 161:
2557	case 145:
2558	case 225:
2559	case 209:
2560		block = "CB_FMASK";
2561		break;
2562	case 34:
2563	case 18:
2564	case 98:
2565	case 82:
2566	case 162:
2567	case 146:
2568	case 226:
2569	case 210:
2570		block = "CB_CMASK";
2571		break;
2572	case 35:
2573	case 19:
2574	case 99:
2575	case 83:
2576	case 163:
2577	case 147:
2578	case 227:
2579	case 211:
2580		block = "CB_IMMED";
2581		break;
2582	case 36:
2583	case 20:
2584	case 100:
2585	case 84:
2586	case 164:
2587	case 148:
2588	case 228:
2589	case 212:
2590		block = "DB";
2591		break;
2592	case 37:
2593	case 21:
2594	case 101:
2595	case 85:
2596	case 165:
2597	case 149:
2598	case 229:
2599	case 213:
2600		block = "DB_HTILE";
2601		break;
2602	case 38:
2603	case 22:
2604	case 102:
2605	case 86:
2606	case 166:
2607	case 150:
2608	case 230:
2609	case 214:
2610		block = "SX";
2611		break;
2612	case 39:
2613	case 23:
2614	case 103:
2615	case 87:
2616	case 167:
2617	case 151:
2618	case 231:
2619	case 215:
2620		block = "DB_STEN";
2621		break;
2622	case 40:
2623	case 24:
2624	case 104:
2625	case 88:
2626	case 232:
2627	case 216:
2628	case 168:
2629	case 152:
2630		block = "TC_TFETCH";
2631		break;
2632	case 41:
2633	case 25:
2634	case 105:
2635	case 89:
2636	case 233:
2637	case 217:
2638	case 169:
2639	case 153:
2640		block = "TC_VFETCH";
2641		break;
2642	case 42:
2643	case 26:
2644	case 106:
2645	case 90:
2646	case 234:
2647	case 218:
2648	case 170:
2649	case 154:
2650		block = "VC";
2651		break;
2652	case 112:
2653		block = "CP";
2654		break;
2655	case 113:
2656	case 114:
2657		block = "SH";
2658		break;
2659	case 115:
2660		block = "VGT";
2661		break;
2662	case 178:
2663		block = "IH";
2664		break;
2665	case 51:
2666		block = "RLC";
2667		break;
2668	case 55:
2669		block = "DMA";
2670		break;
2671	case 56:
2672		block = "HDP";
2673		break;
2674	default:
2675		block = "unknown";
2676		break;
2677	}
2678
2679	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2680	       protections, vmid, addr,
2681	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2682	       block, mc_id);
2683}
2684
2685/**
2686 * cayman_vm_flush - vm flush using the CP
2687 *
2688 * @rdev: radeon_device pointer
2689 *
2690 * Update the page table base and flush the VM TLB
2691 * using the CP (cayman-si).
2692 */
2693void cayman_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
2694		     unsigned vm_id, uint64_t pd_addr)
2695{
2696	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2), 0));
2697	radeon_ring_write(ring, pd_addr >> 12);
2698
2699	/* flush hdp cache */
2700	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2701	radeon_ring_write(ring, 0x1);
2702
2703	/* bits 0-7 are the VM contexts0-7 */
2704	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2705	radeon_ring_write(ring, 1 << vm_id);
2706
2707	/* wait for the invalidate to complete */
2708	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
2709	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
2710				 WAIT_REG_MEM_ENGINE(0))); /* me */
2711	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
2712	radeon_ring_write(ring, 0);
2713	radeon_ring_write(ring, 0); /* ref */
2714	radeon_ring_write(ring, 0); /* mask */
2715	radeon_ring_write(ring, 0x20); /* poll interval */
2716
2717	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2718	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2719	radeon_ring_write(ring, 0x0);
2720}
2721
2722int tn_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
2723{
2724	struct atom_clock_dividers dividers;
2725	int r, i;
2726
2727	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2728					   ecclk, false, &dividers);
2729	if (r)
2730		return r;
2731
2732	for (i = 0; i < 100; i++) {
2733		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2734			break;
2735		mdelay(10);
2736	}
2737	if (i == 100)
2738		return -ETIMEDOUT;
2739
2740	WREG32_P(CG_ECLK_CNTL, dividers.post_div, ~(ECLK_DIR_CNTL_EN|ECLK_DIVIDER_MASK));
2741
2742	for (i = 0; i < 100; i++) {
2743		if (RREG32(CG_ECLK_STATUS) & ECLK_STATUS)
2744			break;
2745		mdelay(10);
2746	}
2747	if (i == 100)
2748		return -ETIMEDOUT;
2749
2750	return 0;
2751}